Home / 6,439,727.60-9,665,812.20-3,920,303.60

Finding the Fourth Proportional to 6,439,727.60, 9,665,812.20 and 3,920,303.60

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Solution

The fourth proportional to 6,439,727.60, 9,665,812.20 and 3,920,303.60 is: 5,884,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,727.60 : 9,665,812.20 = 3,920,303.60 : x
  2. Step 2: Convert to fraction form
    6,439,727.60/9,665,812.20 = 3,920,303.60/x
  3. Step 3: Cross multiply
    6,439,727.60x = 9,665,812.20 × 3,920,303.60
  4. Step 4: Simplify right side
    6,439,727.60x = 37,892,918,364,583.92
  5. Step 5: Solve for x
    x = 37,892,918,364,583.92/6,439,727.60
  6. Step 6: Final answer
    x = 5,884,242.43

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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.