Home / 2,888,011.80-3,985,304.72-1,581,013.28

Finding the Fourth Proportional to 2,888,011.80, 3,985,304.72 and 1,581,013.28

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Solution

The fourth proportional to 2,888,011.80, 3,985,304.72 and 1,581,013.28 is: 2,181,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,011.80 : 3,985,304.72 = 1,581,013.28 : x
  2. Step 2: Convert to fraction form
    2,888,011.80/3,985,304.72 = 1,581,013.28/x
  3. Step 3: Cross multiply
    2,888,011.80x = 3,985,304.72 × 1,581,013.28
  4. Step 4: Simplify right side
    2,888,011.80x = 6,300,819,659,335.09
  5. Step 5: Solve for x
    x = 6,300,819,659,335.09/2,888,011.80
  6. Step 6: Final answer
    x = 2,181,715.34

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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.