Home / 2,072,443.80-3,102,444.90-1,230,562.20

Finding the Fourth Proportional to 2,072,443.80, 3,102,444.90 and 1,230,562.20

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Solution

The fourth proportional to 2,072,443.80, 3,102,444.90 and 1,230,562.20 is: 1,842,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,443.80 : 3,102,444.90 = 1,230,562.20 : x
  2. Step 2: Convert to fraction form
    2,072,443.80/3,102,444.90 = 1,230,562.20/x
  3. Step 3: Cross multiply
    2,072,443.80x = 3,102,444.90 × 1,230,562.20
  4. Step 4: Simplify right side
    2,072,443.80x = 3,817,751,421,522.78
  5. Step 5: Solve for x
    x = 3,817,751,421,522.78/2,072,443.80
  6. Step 6: Final answer
    x = 1,842,149.55

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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.