Home / 2,486,814.08-3,730,220.90-689,697.56

Finding the Fourth Proportional to 2,486,814.08, 3,730,220.90 and 689,697.56

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Solution

The fourth proportional to 2,486,814.08, 3,730,220.90 and 689,697.56 is: 1,034,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,814.08 : 3,730,220.90 = 689,697.56 : x
  2. Step 2: Convert to fraction form
    2,486,814.08/3,730,220.90 = 689,697.56/x
  3. Step 3: Cross multiply
    2,486,814.08x = 3,730,220.90 × 689,697.56
  4. Step 4: Simplify right side
    2,486,814.08x = 2,572,724,252,991.00
  5. Step 5: Solve for x
    x = 2,572,724,252,991.00/2,486,814.08
  6. Step 6: Final answer
    x = 1,034,546.28

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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.