Home / 2,178,449.85-3,264,685.35-1,378,299

Finding the Fourth Proportional to 2,178,449.85, 3,264,685.35 and 1,378,299

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Solution

The fourth proportional to 2,178,449.85, 3,264,685.35 and 1,378,299 is: 2,065,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,449.85 : 3,264,685.35 = 1,378,299 : x
  2. Step 2: Convert to fraction form
    2,178,449.85/3,264,685.35 = 1,378,299/x
  3. Step 3: Cross multiply
    2,178,449.85x = 3,264,685.35 × 1,378,299
  4. Step 4: Simplify right side
    2,178,449.85x = 4,499,712,553,219.65
  5. Step 5: Solve for x
    x = 4,499,712,553,219.65/2,178,449.85
  6. Step 6: Final answer
    x = 2,065,557.10

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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.