Home / 3,131,681.51-4,695,812.76-942,931.91

Finding the Fourth Proportional to 3,131,681.51, 4,695,812.76 and 942,931.91

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Solution

The fourth proportional to 3,131,681.51, 4,695,812.76 and 942,931.91 is: 1,413,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,681.51 : 4,695,812.76 = 942,931.91 : x
  2. Step 2: Convert to fraction form
    3,131,681.51/4,695,812.76 = 942,931.91/x
  3. Step 3: Cross multiply
    3,131,681.51x = 4,695,812.76 × 942,931.91
  4. Step 4: Simplify right side
    3,131,681.51x = 4,427,831,694,789.17
  5. Step 5: Solve for x
    x = 4,427,831,694,789.17/3,131,681.51
  6. Step 6: Final answer
    x = 1,413,883.14

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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.