Home / 3,784,755.32-5,668,827.68-3,128,898.31

Finding the Fourth Proportional to 3,784,755.32, 5,668,827.68 and 3,128,898.31

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Solution

The fourth proportional to 3,784,755.32, 5,668,827.68 and 3,128,898.31 is: 4,686,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,755.32 : 5,668,827.68 = 3,128,898.31 : x
  2. Step 2: Convert to fraction form
    3,784,755.32/5,668,827.68 = 3,128,898.31/x
  3. Step 3: Cross multiply
    3,784,755.32x = 5,668,827.68 × 3,128,898.31
  4. Step 4: Simplify right side
    3,784,755.32x = 17,737,185,341,283.40
  5. Step 5: Solve for x
    x = 17,737,185,341,283.40/3,784,755.32
  6. Step 6: Final answer
    x = 4,686,481.39

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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.