Home / 4,275,145.40-6,412,718.10-1,080,280.76

Finding the Fourth Proportional to 4,275,145.40, 6,412,718.10 and 1,080,280.76

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Solution

The fourth proportional to 4,275,145.40, 6,412,718.10 and 1,080,280.76 is: 1,620,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275,145.40 : 6,412,718.10 = 1,080,280.76 : x
  2. Step 2: Convert to fraction form
    4,275,145.40/6,412,718.10 = 1,080,280.76/x
  3. Step 3: Cross multiply
    4,275,145.40x = 6,412,718.10 × 1,080,280.76
  4. Step 4: Simplify right side
    4,275,145.40x = 6,927,535,982,733.76
  5. Step 5: Solve for x
    x = 6,927,535,982,733.76/4,275,145.40
  6. Step 6: Final answer
    x = 1,620,421.14

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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.