Home / 4,977,314.60-7,465,971.90-1,987,644.20

Finding the Fourth Proportional to 4,977,314.60, 7,465,971.90 and 1,987,644.20

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Solution

The fourth proportional to 4,977,314.60, 7,465,971.90 and 1,987,644.20 is: 2,981,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977,314.60 : 7,465,971.90 = 1,987,644.20 : x
  2. Step 2: Convert to fraction form
    4,977,314.60/7,465,971.90 = 1,987,644.20/x
  3. Step 3: Cross multiply
    4,977,314.60x = 7,465,971.90 × 1,987,644.20
  4. Step 4: Simplify right side
    4,977,314.60x = 14,839,695,744,397.98
  5. Step 5: Solve for x
    x = 14,839,695,744,397.98/4,977,314.60
  6. Step 6: Final answer
    x = 2,981,466.30

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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.