Home / 5,502,890.70-8,255,502.45-1,664,397.90

Finding the Fourth Proportional to 5,502,890.70, 8,255,502.45 and 1,664,397.90

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Solution

The fourth proportional to 5,502,890.70, 8,255,502.45 and 1,664,397.90 is: 2,496,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502,890.70 : 8,255,502.45 = 1,664,397.90 : x
  2. Step 2: Convert to fraction form
    5,502,890.70/8,255,502.45 = 1,664,397.90/x
  3. Step 3: Cross multiply
    5,502,890.70x = 8,255,502.45 × 1,664,397.90
  4. Step 4: Simplify right side
    5,502,890.70x = 13,740,440,941,224.86
  5. Step 5: Solve for x
    x = 13,740,440,941,224.86/5,502,890.70
  6. Step 6: Final answer
    x = 2,496,949.64

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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.