Home / 5,478,001.90-8,217,002.85-2,637,429.10

Finding the Fourth Proportional to 5,478,001.90, 8,217,002.85 and 2,637,429.10

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Solution

The fourth proportional to 5,478,001.90, 8,217,002.85 and 2,637,429.10 is: 3,956,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,001.90 : 8,217,002.85 = 2,637,429.10 : x
  2. Step 2: Convert to fraction form
    5,478,001.90/8,217,002.85 = 2,637,429.10/x
  3. Step 3: Cross multiply
    5,478,001.90x = 8,217,002.85 × 2,637,429.10
  4. Step 4: Simplify right side
    5,478,001.90x = 21,671,762,431,372.93
  5. Step 5: Solve for x
    x = 21,671,762,431,372.93/5,478,001.90
  6. Step 6: Final answer
    x = 3,956,143.65

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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.