Home / 4,290,287.20-6,429,901.20-3,288,047.20

Finding the Fourth Proportional to 4,290,287.20, 6,429,901.20 and 3,288,047.20

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Solution

The fourth proportional to 4,290,287.20, 6,429,901.20 and 3,288,047.20 is: 4,927,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,287.20 : 6,429,901.20 = 3,288,047.20 : x
  2. Step 2: Convert to fraction form
    4,290,287.20/6,429,901.20 = 3,288,047.20/x
  3. Step 3: Cross multiply
    4,290,287.20x = 6,429,901.20 × 3,288,047.20
  4. Step 4: Simplify right side
    4,290,287.20x = 21,141,818,636,936.64
  5. Step 5: Solve for x
    x = 21,141,818,636,936.64/4,290,287.20
  6. Step 6: Final answer
    x = 4,927,832.95

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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.