Home / 3,319,739.10-4,581,179.67-1,869,428.70

Finding the Fourth Proportional to 3,319,739.10, 4,581,179.67 and 1,869,428.70

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Solution

The fourth proportional to 3,319,739.10, 4,581,179.67 and 1,869,428.70 is: 2,579,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,739.10 : 4,581,179.67 = 1,869,428.70 : x
  2. Step 2: Convert to fraction form
    3,319,739.10/4,581,179.67 = 1,869,428.70/x
  3. Step 3: Cross multiply
    3,319,739.10x = 4,581,179.67 × 1,869,428.70
  4. Step 4: Simplify right side
    3,319,739.10x = 8,564,188,754,954.53
  5. Step 5: Solve for x
    x = 8,564,188,754,954.53/3,319,739.10
  6. Step 6: Final answer
    x = 2,579,777.66

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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.