Home / 2,978,780.40-4,468,343.40-849,020.40

Finding the Fourth Proportional to 2,978,780.40, 4,468,343.40 and 849,020.40

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Solution

The fourth proportional to 2,978,780.40, 4,468,343.40 and 849,020.40 is: 1,273,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,780.40 : 4,468,343.40 = 849,020.40 : x
  2. Step 2: Convert to fraction form
    2,978,780.40/4,468,343.40 = 849,020.40/x
  3. Step 3: Cross multiply
    2,978,780.40x = 4,468,343.40 × 849,020.40
  4. Step 4: Simplify right side
    2,978,780.40x = 3,793,714,700,805.36
  5. Step 5: Solve for x
    x = 3,793,714,700,805.36/2,978,780.40
  6. Step 6: Final answer
    x = 1,273,579.85

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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.