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Finding the Fourth Proportional to 3,499,472.39, 4,829,271.87 and 1,889,840.39

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Solution

The fourth proportional to 3,499,472.39, 4,829,271.87 and 1,889,840.39 is: 2,607,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,472.39 : 4,829,271.87 = 1,889,840.39 : x
  2. Step 2: Convert to fraction form
    3,499,472.39/4,829,271.87 = 1,889,840.39/x
  3. Step 3: Cross multiply
    3,499,472.39x = 4,829,271.87 × 1,889,840.39
  4. Step 4: Simplify right side
    3,499,472.39x = 9,126,553,034,216.83
  5. Step 5: Solve for x
    x = 9,126,553,034,216.83/3,499,472.39
  6. Step 6: Final answer
    x = 2,607,979.72

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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.