Home / 2,178,612.40-3,267,942.36-662,541.88

Finding the Fourth Proportional to 2,178,612.40, 3,267,942.36 and 662,541.88

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Solution

The fourth proportional to 2,178,612.40, 3,267,942.36 and 662,541.88 is: 993,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,612.40 : 3,267,942.36 = 662,541.88 : x
  2. Step 2: Convert to fraction form
    2,178,612.40/3,267,942.36 = 662,541.88/x
  3. Step 3: Cross multiply
    2,178,612.40x = 3,267,942.36 × 662,541.88
  4. Step 4: Simplify right side
    2,178,612.40x = 2,165,148,674,926.04
  5. Step 5: Solve for x
    x = 2,165,148,674,926.04/2,178,612.40
  6. Step 6: Final answer
    x = 993,820.05

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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.