Home / 6,642,403.20-9,960,688.80-3,046,975.20

Finding the Fourth Proportional to 6,642,403.20, 9,960,688.80 and 3,046,975.20

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Solution

The fourth proportional to 6,642,403.20, 9,960,688.80 and 3,046,975.20 is: 4,569,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,403.20 : 9,960,688.80 = 3,046,975.20 : x
  2. Step 2: Convert to fraction form
    6,642,403.20/9,960,688.80 = 3,046,975.20/x
  3. Step 3: Cross multiply
    6,642,403.20x = 9,960,688.80 × 3,046,975.20
  4. Step 4: Simplify right side
    6,642,403.20x = 30,349,971,748,517.77
  5. Step 5: Solve for x
    x = 30,349,971,748,517.77/6,642,403.20
  6. Step 6: Final answer
    x = 4,569,125.18

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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.