Home / 3,171,547.56-4,376,737.90-1,721,242.68

Finding the Fourth Proportional to 3,171,547.56, 4,376,737.90 and 1,721,242.68

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Solution

The fourth proportional to 3,171,547.56, 4,376,737.90 and 1,721,242.68 is: 2,375,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,547.56 : 4,376,737.90 = 1,721,242.68 : x
  2. Step 2: Convert to fraction form
    3,171,547.56/4,376,737.90 = 1,721,242.68/x
  3. Step 3: Cross multiply
    3,171,547.56x = 4,376,737.90 × 1,721,242.68
  4. Step 4: Simplify right side
    3,171,547.56x = 7,533,428,072,653.57
  5. Step 5: Solve for x
    x = 7,533,428,072,653.57/3,171,547.56
  6. Step 6: Final answer
    x = 2,375,316.13

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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.