Home / 2,945,129.40-4,417,694.10-1,664,422.20

Finding the Fourth Proportional to 2,945,129.40, 4,417,694.10 and 1,664,422.20

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Solution

The fourth proportional to 2,945,129.40, 4,417,694.10 and 1,664,422.20 is: 2,496,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,129.40 : 4,417,694.10 = 1,664,422.20 : x
  2. Step 2: Convert to fraction form
    2,945,129.40/4,417,694.10 = 1,664,422.20/x
  3. Step 3: Cross multiply
    2,945,129.40x = 4,417,694.10 × 1,664,422.20
  4. Step 4: Simplify right side
    2,945,129.40x = 7,352,908,132,849.02
  5. Step 5: Solve for x
    x = 7,352,908,132,849.02/2,945,129.40
  6. Step 6: Final answer
    x = 2,496,633.30

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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.