Home / 2,789,344.15-4,182,106.03-1,420,468.04

Finding the Fourth Proportional to 2,789,344.15, 4,182,106.03 and 1,420,468.04

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Solution

The fourth proportional to 2,789,344.15, 4,182,106.03 and 1,420,468.04 is: 2,129,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,344.15 : 4,182,106.03 = 1,420,468.04 : x
  2. Step 2: Convert to fraction form
    2,789,344.15/4,182,106.03 = 1,420,468.04/x
  3. Step 3: Cross multiply
    2,789,344.15x = 4,182,106.03 × 1,420,468.04
  4. Step 4: Simplify right side
    2,789,344.15x = 5,940,547,955,506.28
  5. Step 5: Solve for x
    x = 5,940,547,955,506.28/2,789,344.15
  6. Step 6: Final answer
    x = 2,129,729.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.