Home / 2,643,630.12-3,943,424.61-2,388,508.20

Finding the Fourth Proportional to 2,643,630.12, 3,943,424.61 and 2,388,508.20

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Solution

The fourth proportional to 2,643,630.12, 3,943,424.61 and 2,388,508.20 is: 3,562,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,630.12 : 3,943,424.61 = 2,388,508.20 : x
  2. Step 2: Convert to fraction form
    2,643,630.12/3,943,424.61 = 2,388,508.20/x
  3. Step 3: Cross multiply
    2,643,630.12x = 3,943,424.61 × 2,388,508.20
  4. Step 4: Simplify right side
    2,643,630.12x = 9,418,902,017,066.80
  5. Step 5: Solve for x
    x = 9,418,902,017,066.80/2,643,630.12
  6. Step 6: Final answer
    x = 3,562,866.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.