Home / 1,987,234.38-2,742,375.65-1,115,948.16

Finding the Fourth Proportional to 1,987,234.38, 2,742,375.65 and 1,115,948.16

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Solution

The fourth proportional to 1,987,234.38, 2,742,375.65 and 1,115,948.16 is: 1,540,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,234.38 : 2,742,375.65 = 1,115,948.16 : x
  2. Step 2: Convert to fraction form
    1,987,234.38/2,742,375.65 = 1,115,948.16/x
  3. Step 3: Cross multiply
    1,987,234.38x = 2,742,375.65 × 1,115,948.16
  4. Step 4: Simplify right side
    1,987,234.38x = 3,060,349,055,066.56
  5. Step 5: Solve for x
    x = 3,060,349,055,066.56/1,987,234.38
  6. Step 6: Final answer
    x = 1,540,004.08

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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.