Home / 4,280,591.68-6,421,875.72-1,440,634.48

Finding the Fourth Proportional to 4,280,591.68, 6,421,875.72 and 1,440,634.48

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Solution

The fourth proportional to 4,280,591.68, 6,421,875.72 and 1,440,634.48 is: 2,161,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,591.68 : 6,421,875.72 = 1,440,634.48 : x
  2. Step 2: Convert to fraction form
    4,280,591.68/6,421,875.72 = 1,440,634.48/x
  3. Step 3: Cross multiply
    4,280,591.68x = 6,421,875.72 × 1,440,634.48
  4. Step 4: Simplify right side
    4,280,591.68x = 9,251,575,567,049.76
  5. Step 5: Solve for x
    x = 9,251,575,567,049.76/4,280,591.68
  6. Step 6: Final answer
    x = 2,161,284.30

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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.