Home / 2,740,385.70-4,102,388.78-1,657,621.49

Finding the Fourth Proportional to 2,740,385.70, 4,102,388.78 and 1,657,621.49

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Solution

The fourth proportional to 2,740,385.70, 4,102,388.78 and 1,657,621.49 is: 2,481,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,385.70 : 4,102,388.78 = 1,657,621.49 : x
  2. Step 2: Convert to fraction form
    2,740,385.70/4,102,388.78 = 1,657,621.49/x
  3. Step 3: Cross multiply
    2,740,385.70x = 4,102,388.78 × 1,657,621.49
  4. Step 4: Simplify right side
    2,740,385.70x = 6,800,207,773,262.83
  5. Step 5: Solve for x
    x = 6,800,207,773,262.83/2,740,385.70
  6. Step 6: Final answer
    x = 2,481,478.35

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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.