Home / 2,819,146.10-4,228,719.14-689,204.92

Finding the Fourth Proportional to 2,819,146.10, 4,228,719.14 and 689,204.92

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Solution

The fourth proportional to 2,819,146.10, 4,228,719.14 and 689,204.92 is: 1,033,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,146.10 : 4,228,719.14 = 689,204.92 : x
  2. Step 2: Convert to fraction form
    2,819,146.10/4,228,719.14 = 689,204.92/x
  3. Step 3: Cross multiply
    2,819,146.10x = 4,228,719.14 × 689,204.92
  4. Step 4: Simplify right side
    2,819,146.10x = 2,914,454,036,586.17
  5. Step 5: Solve for x
    x = 2,914,454,036,586.17/2,819,146.10
  6. Step 6: Final answer
    x = 1,033,807.38

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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.