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Finding the Fourth Proportional to 5,842,502.40, 8,748,007.20 and 4,236,369.60

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Solution

The fourth proportional to 5,842,502.40, 8,748,007.20 and 4,236,369.60 is: 6,343,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842,502.40 : 8,748,007.20 = 4,236,369.60 : x
  2. Step 2: Convert to fraction form
    5,842,502.40/8,748,007.20 = 4,236,369.60/x
  3. Step 3: Cross multiply
    5,842,502.40x = 8,748,007.20 × 4,236,369.60
  4. Step 4: Simplify right side
    5,842,502.40x = 37,059,791,762,661.12
  5. Step 5: Solve for x
    x = 37,059,791,762,661.12/5,842,502.40
  6. Step 6: Final answer
    x = 6,343,136.76

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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.