Home / 3,124,624.20-4,676,438.70-2,179,840.20

Finding the Fourth Proportional to 3,124,624.20, 4,676,438.70 and 2,179,840.20

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Solution

The fourth proportional to 3,124,624.20, 4,676,438.70 and 2,179,840.20 is: 3,262,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,624.20 : 4,676,438.70 = 2,179,840.20 : x
  2. Step 2: Convert to fraction form
    3,124,624.20/4,676,438.70 = 2,179,840.20/x
  3. Step 3: Cross multiply
    3,124,624.20x = 4,676,438.70 × 2,179,840.20
  4. Step 4: Simplify right side
    3,124,624.20x = 10,193,889,071,095.74
  5. Step 5: Solve for x
    x = 10,193,889,071,095.74/3,124,624.20
  6. Step 6: Final answer
    x = 3,262,436.83

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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.