Home / 3,428,087.27-4,730,730.08-1,879,320.79

Finding the Fourth Proportional to 3,428,087.27, 4,730,730.08 and 1,879,320.79

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Solution

The fourth proportional to 3,428,087.27, 4,730,730.08 and 1,879,320.79 is: 2,593,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,087.27 : 4,730,730.08 = 1,879,320.79 : x
  2. Step 2: Convert to fraction form
    3,428,087.27/4,730,730.08 = 1,879,320.79/x
  3. Step 3: Cross multiply
    3,428,087.27x = 4,730,730.08 × 1,879,320.79
  4. Step 4: Simplify right side
    3,428,087.27x = 8,890,559,387,739.17
  5. Step 5: Solve for x
    x = 8,890,559,387,739.17/3,428,087.27
  6. Step 6: Final answer
    x = 2,593,446.05

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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.