Home / 2,888,658.59-3,990,501.20-2,307,118.20

Finding the Fourth Proportional to 2,888,658.59, 3,990,501.20 and 2,307,118.20

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Solution

The fourth proportional to 2,888,658.59, 3,990,501.20 and 2,307,118.20 is: 3,187,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,658.59 : 3,990,501.20 = 2,307,118.20 : x
  2. Step 2: Convert to fraction form
    2,888,658.59/3,990,501.20 = 2,307,118.20/x
  3. Step 3: Cross multiply
    2,888,658.59x = 3,990,501.20 × 2,307,118.20
  4. Step 4: Simplify right side
    2,888,658.59x = 9,206,557,934,106.25
  5. Step 5: Solve for x
    x = 9,206,557,934,106.25/2,888,658.59
  6. Step 6: Final answer
    x = 3,187,139.52

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Double scale
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1.5x scale

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.