Home / 5,429,045.47-8,143,563.56-1,385,532.96

Finding the Fourth Proportional to 5,429,045.47, 8,143,563.56 and 1,385,532.96

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Solution

The fourth proportional to 5,429,045.47, 8,143,563.56 and 1,385,532.96 is: 2,078,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,045.47 : 8,143,563.56 = 1,385,532.96 : x
  2. Step 2: Convert to fraction form
    5,429,045.47/8,143,563.56 = 1,385,532.96/x
  3. Step 3: Cross multiply
    5,429,045.47x = 8,143,563.56 × 1,385,532.96
  4. Step 4: Simplify right side
    5,429,045.47x = 11,283,175,724,234.94
  5. Step 5: Solve for x
    x = 11,283,175,724,234.94/5,429,045.47
  6. Step 6: Final answer
    x = 2,078,298.26

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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.