Home / 2,897,165.40-4,345,748.10-2,226,631.20

Finding the Fourth Proportional to 2,897,165.40, 4,345,748.10 and 2,226,631.20

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Solution

The fourth proportional to 2,897,165.40, 4,345,748.10 and 2,226,631.20 is: 3,339,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,165.40 : 4,345,748.10 = 2,226,631.20 : x
  2. Step 2: Convert to fraction form
    2,897,165.40/4,345,748.10 = 2,226,631.20/x
  3. Step 3: Cross multiply
    2,897,165.40x = 4,345,748.10 × 2,226,631.20
  4. Step 4: Simplify right side
    2,897,165.40x = 9,676,378,306,800.72
  5. Step 5: Solve for x
    x = 9,676,378,306,800.72/2,897,165.40
  6. Step 6: Final answer
    x = 3,339,946.80

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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.