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Finding the Fourth Proportional to 2,961,154.80, 4,443,805.80 and 1,898,780.40

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Solution

The fourth proportional to 2,961,154.80, 4,443,805.80 and 1,898,780.40 is: 2,849,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,154.80 : 4,443,805.80 = 1,898,780.40 : x
  2. Step 2: Convert to fraction form
    2,961,154.80/4,443,805.80 = 1,898,780.40/x
  3. Step 3: Cross multiply
    2,961,154.80x = 4,443,805.80 × 1,898,780.40
  4. Step 4: Simplify right side
    2,961,154.80x = 8,437,811,354,446.32
  5. Step 5: Solve for x
    x = 8,437,811,354,446.32/2,961,154.80
  6. Step 6: Final answer
    x = 2,849,500.25

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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.