Home / 2,925,919.72-4,038,104.10-1,637,086.60

Finding the Fourth Proportional to 2,925,919.72, 4,038,104.10 and 1,637,086.60

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Solution

The fourth proportional to 2,925,919.72, 4,038,104.10 and 1,637,086.60 is: 2,259,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,919.72 : 4,038,104.10 = 1,637,086.60 : x
  2. Step 2: Convert to fraction form
    2,925,919.72/4,038,104.10 = 1,637,086.60/x
  3. Step 3: Cross multiply
    2,925,919.72x = 4,038,104.10 × 1,637,086.60
  4. Step 4: Simplify right side
    2,925,919.72x = 6,610,726,111,515.06
  5. Step 5: Solve for x
    x = 6,610,726,111,515.06/2,925,919.72
  6. Step 6: Final answer
    x = 2,259,366.88

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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.