Home / 1,721,418.48-2,375,614.98-947,081.16

Finding the Fourth Proportional to 1,721,418.48, 2,375,614.98 and 947,081.16

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Solution

The fourth proportional to 1,721,418.48, 2,375,614.98 and 947,081.16 is: 1,307,003.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,418.48 : 2,375,614.98 = 947,081.16 : x
  2. Step 2: Convert to fraction form
    1,721,418.48/2,375,614.98 = 947,081.16/x
  3. Step 3: Cross multiply
    1,721,418.48x = 2,375,614.98 × 947,081.16
  4. Step 4: Simplify right side
    1,721,418.48x = 2,249,900,190,971.78
  5. Step 5: Solve for x
    x = 2,249,900,190,971.78/1,721,418.48
  6. Step 6: Final answer
    x = 1,307,003.62

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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.