Home / 2,888,660.59-3,990,503.96-2,307,120.20

Finding the Fourth Proportional to 2,888,660.59, 3,990,503.96 and 2,307,120.20

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Solution

The fourth proportional to 2,888,660.59, 3,990,503.96 and 2,307,120.20 is: 3,187,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,660.59 : 3,990,503.96 = 2,307,120.20 : x
  2. Step 2: Convert to fraction form
    2,888,660.59/3,990,503.96 = 2,307,120.20/x
  3. Step 3: Cross multiply
    2,888,660.59x = 3,990,503.96 × 2,307,120.20
  4. Step 4: Simplify right side
    2,888,660.59x = 9,206,572,294,295.99
  5. Step 5: Solve for x
    x = 9,206,572,294,295.99/2,888,660.59
  6. Step 6: Final answer
    x = 3,187,142.28

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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.