Home / 4,990,387.20-7,488,172.80-2,330,995.20

Finding the Fourth Proportional to 4,990,387.20, 7,488,172.80 and 2,330,995.20

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Solution

The fourth proportional to 4,990,387.20, 7,488,172.80 and 2,330,995.20 is: 3,497,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,387.20 : 7,488,172.80 = 2,330,995.20 : x
  2. Step 2: Convert to fraction form
    4,990,387.20/7,488,172.80 = 2,330,995.20/x
  3. Step 3: Cross multiply
    4,990,387.20x = 7,488,172.80 × 2,330,995.20
  4. Step 4: Simplify right side
    4,990,387.20x = 17,454,894,853,570.56
  5. Step 5: Solve for x
    x = 17,454,894,853,570.56/4,990,387.20
  6. Step 6: Final answer
    x = 3,497,703.52

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1.5x scale

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.