Home / 1,663,130.40-2,491,196.40-1,383,194.40

Finding the Fourth Proportional to 1,663,130.40, 2,491,196.40 and 1,383,194.40

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Solution

The fourth proportional to 1,663,130.40, 2,491,196.40 and 1,383,194.40 is: 2,071,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,130.40 : 2,491,196.40 = 1,383,194.40 : x
  2. Step 2: Convert to fraction form
    1,663,130.40/2,491,196.40 = 1,383,194.40/x
  3. Step 3: Cross multiply
    1,663,130.40x = 2,491,196.40 × 1,383,194.40
  4. Step 4: Simplify right side
    1,663,130.40x = 3,445,808,909,780.16
  5. Step 5: Solve for x
    x = 3,445,808,909,780.16/1,663,130.40
  6. Step 6: Final answer
    x = 2,071,881.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.