Home / 2,280,359.80-3,418,401.30-861,369.40

Finding the Fourth Proportional to 2,280,359.80, 3,418,401.30 and 861,369.40

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Solution

The fourth proportional to 2,280,359.80, 3,418,401.30 and 861,369.40 is: 1,291,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,359.80 : 3,418,401.30 = 861,369.40 : x
  2. Step 2: Convert to fraction form
    2,280,359.80/3,418,401.30 = 861,369.40/x
  3. Step 3: Cross multiply
    2,280,359.80x = 3,418,401.30 × 861,369.40
  4. Step 4: Simplify right side
    2,280,359.80x = 2,944,506,276,740.22
  5. Step 5: Solve for x
    x = 2,944,506,276,740.22/2,280,359.80
  6. Step 6: Final answer
    x = 1,291,246.35

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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.