Home / 2,087,479.47-3,131,301.91-993,001.40

Finding the Fourth Proportional to 2,087,479.47, 3,131,301.91 and 993,001.40

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Solution

The fourth proportional to 2,087,479.47, 3,131,301.91 and 993,001.40 is: 1,489,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,479.47 : 3,131,301.91 = 993,001.40 : x
  2. Step 2: Convert to fraction form
    2,087,479.47/3,131,301.91 = 993,001.40/x
  3. Step 3: Cross multiply
    2,087,479.47x = 3,131,301.91 × 993,001.40
  4. Step 4: Simplify right side
    2,087,479.47x = 3,109,387,159,831.16
  5. Step 5: Solve for x
    x = 3,109,387,159,831.16/2,087,479.47
  6. Step 6: Final answer
    x = 1,489,541.43

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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.