Home / 2,108,135.18-2,909,213.21-1,141,258.42

Finding the Fourth Proportional to 2,108,135.18, 2,909,213.21 and 1,141,258.42

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Solution

The fourth proportional to 2,108,135.18, 2,909,213.21 and 1,141,258.42 is: 1,574,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,135.18 : 2,909,213.21 = 1,141,258.42 : x
  2. Step 2: Convert to fraction form
    2,108,135.18/2,909,213.21 = 1,141,258.42/x
  3. Step 3: Cross multiply
    2,108,135.18x = 2,909,213.21 × 1,141,258.42
  4. Step 4: Simplify right side
    2,108,135.18x = 3,320,164,071,487.73
  5. Step 5: Solve for x
    x = 3,320,164,071,487.73/2,108,135.18
  6. Step 6: Final answer
    x = 1,574,929.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.