Home / 2,888,662.59-3,990,506.72-2,307,122.20

Finding the Fourth Proportional to 2,888,662.59, 3,990,506.72 and 2,307,122.20

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Solution

The fourth proportional to 2,888,662.59, 3,990,506.72 and 2,307,122.20 is: 3,187,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,662.59 : 3,990,506.72 = 2,307,122.20 : x
  2. Step 2: Convert to fraction form
    2,888,662.59/3,990,506.72 = 2,307,122.20/x
  3. Step 3: Cross multiply
    2,888,662.59x = 3,990,506.72 × 2,307,122.20
  4. Step 4: Simplify right side
    2,888,662.59x = 9,206,586,642,961.19
  5. Step 5: Solve for x
    x = 9,206,586,642,961.19/2,888,662.59
  6. Step 6: Final answer
    x = 3,187,145.04

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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.