Home / 2,688,848.80-4,029,471.60-1,491,298.72

Finding the Fourth Proportional to 2,688,848.80, 4,029,471.60 and 1,491,298.72

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Solution

The fourth proportional to 2,688,848.80, 4,029,471.60 and 1,491,298.72 is: 2,234,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,848.80 : 4,029,471.60 = 1,491,298.72 : x
  2. Step 2: Convert to fraction form
    2,688,848.80/4,029,471.60 = 1,491,298.72/x
  3. Step 3: Cross multiply
    2,688,848.80x = 4,029,471.60 × 1,491,298.72
  4. Step 4: Simplify right side
    2,688,848.80x = 6,009,145,839,356.35
  5. Step 5: Solve for x
    x = 6,009,145,839,356.35/2,688,848.80
  6. Step 6: Final answer
    x = 2,234,839.62

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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.