Home / 3,138,109.27-4,330,244.28-1,761,137.16

Finding the Fourth Proportional to 3,138,109.27, 4,330,244.28 and 1,761,137.16

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Solution

The fourth proportional to 3,138,109.27, 4,330,244.28 and 1,761,137.16 is: 2,430,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,109.27 : 4,330,244.28 = 1,761,137.16 : x
  2. Step 2: Convert to fraction form
    3,138,109.27/4,330,244.28 = 1,761,137.16/x
  3. Step 3: Cross multiply
    3,138,109.27x = 4,330,244.28 × 1,761,137.16
  4. Step 4: Simplify right side
    3,138,109.27x = 7,626,154,119,989.71
  5. Step 5: Solve for x
    x = 7,626,154,119,989.71/3,138,109.27
  6. Step 6: Final answer
    x = 2,430,174.82

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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.