Home / 3,218,827.20-4,828,240.80-974,965.20

Finding the Fourth Proportional to 3,218,827.20, 4,828,240.80 and 974,965.20

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Solution

The fourth proportional to 3,218,827.20, 4,828,240.80 and 974,965.20 is: 1,462,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,827.20 : 4,828,240.80 = 974,965.20 : x
  2. Step 2: Convert to fraction form
    3,218,827.20/4,828,240.80 = 974,965.20/x
  3. Step 3: Cross multiply
    3,218,827.20x = 4,828,240.80 × 974,965.20
  4. Step 4: Simplify right side
    3,218,827.20x = 4,707,366,757,220.16
  5. Step 5: Solve for x
    x = 4,707,366,757,220.16/3,218,827.20
  6. Step 6: Final answer
    x = 1,462,447.80

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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.