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Finding the Fourth Proportional to 2,961,046.80, 4,443,643.80 and 1,898,672.40

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Solution

The fourth proportional to 2,961,046.80, 4,443,643.80 and 1,898,672.40 is: 2,849,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,046.80 : 4,443,643.80 = 1,898,672.40 : x
  2. Step 2: Convert to fraction form
    2,961,046.80/4,443,643.80 = 1,898,672.40/x
  3. Step 3: Cross multiply
    2,961,046.80x = 4,443,643.80 × 1,898,672.40
  4. Step 4: Simplify right side
    2,961,046.80x = 8,437,023,838,491.12
  5. Step 5: Solve for x
    x = 8,437,023,838,491.12/2,961,046.80
  6. Step 6: Final answer
    x = 2,849,338.23

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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.