Home / 2,688,665.34-4,026,356.54-2,003,909.70

Finding the Fourth Proportional to 2,688,665.34, 4,026,356.54 and 2,003,909.70

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Solution

The fourth proportional to 2,688,665.34, 4,026,356.54 and 2,003,909.70 is: 3,000,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,665.34 : 4,026,356.54 = 2,003,909.70 : x
  2. Step 2: Convert to fraction form
    2,688,665.34/4,026,356.54 = 2,003,909.70/x
  3. Step 3: Cross multiply
    2,688,665.34x = 4,026,356.54 × 2,003,909.70
  4. Step 4: Simplify right side
    2,688,665.34x = 8,068,454,926,164.44
  5. Step 5: Solve for x
    x = 8,068,454,926,164.44/2,688,665.34
  6. Step 6: Final answer
    x = 3,000,914.55

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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.