Home / 2,888,721.69-3,986,387.21-1,599,534.40

Finding the Fourth Proportional to 2,888,721.69, 3,986,387.21 and 1,599,534.40

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Solution

The fourth proportional to 2,888,721.69, 3,986,387.21 and 1,599,534.40 is: 2,207,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,721.69 : 3,986,387.21 = 1,599,534.40 : x
  2. Step 2: Convert to fraction form
    2,888,721.69/3,986,387.21 = 1,599,534.40/x
  3. Step 3: Cross multiply
    2,888,721.69x = 3,986,387.21 × 1,599,534.40
  4. Step 4: Simplify right side
    2,888,721.69x = 6,376,363,474,115.02
  5. Step 5: Solve for x
    x = 6,376,363,474,115.02/2,888,721.69
  6. Step 6: Final answer
    x = 2,207,330.49

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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.