Home / 3,870,534.04-5,341,375.92-2,128,295.32

Finding the Fourth Proportional to 3,870,534.04, 5,341,375.92 and 2,128,295.32

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Solution

The fourth proportional to 3,870,534.04, 5,341,375.92 and 2,128,295.32 is: 2,937,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,534.04 : 5,341,375.92 = 2,128,295.32 : x
  2. Step 2: Convert to fraction form
    3,870,534.04/5,341,375.92 = 2,128,295.32/x
  3. Step 3: Cross multiply
    3,870,534.04x = 5,341,375.92 × 2,128,295.32
  4. Step 4: Simplify right side
    3,870,534.04x = 11,368,025,372,896.69
  5. Step 5: Solve for x
    x = 11,368,025,372,896.69/3,870,534.04
  6. Step 6: Final answer
    x = 2,937,068.96

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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.