Home / 2,156,967.38-2,977,693.62-1,341,433.78

Finding the Fourth Proportional to 2,156,967.38, 2,977,693.62 and 1,341,433.78

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Solution

The fourth proportional to 2,156,967.38, 2,977,693.62 and 1,341,433.78 is: 1,851,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,967.38 : 2,977,693.62 = 1,341,433.78 : x
  2. Step 2: Convert to fraction form
    2,156,967.38/2,977,693.62 = 1,341,433.78/x
  3. Step 3: Cross multiply
    2,156,967.38x = 2,977,693.62 × 1,341,433.78
  4. Step 4: Simplify right side
    2,156,967.38x = 3,994,378,808,358.48
  5. Step 5: Solve for x
    x = 3,994,378,808,358.48/2,156,967.38
  6. Step 6: Final answer
    x = 1,851,849.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.