Home / 5,432,543.10-8,148,814.65-1,646,214.30

Finding the Fourth Proportional to 5,432,543.10, 8,148,814.65 and 1,646,214.30

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Solution

The fourth proportional to 5,432,543.10, 8,148,814.65 and 1,646,214.30 is: 2,469,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,543.10 : 8,148,814.65 = 1,646,214.30 : x
  2. Step 2: Convert to fraction form
    5,432,543.10/8,148,814.65 = 1,646,214.30/x
  3. Step 3: Cross multiply
    5,432,543.10x = 8,148,814.65 × 1,646,214.30
  4. Step 4: Simplify right side
    5,432,543.10x = 13,414,695,204,879.50
  5. Step 5: Solve for x
    x = 13,414,695,204,879.50/5,432,543.10
  6. Step 6: Final answer
    x = 2,469,321.45

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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.