Home / 2,009,287.20-3,013,930.80-679,591.20

Finding the Fourth Proportional to 2,009,287.20, 3,013,930.80 and 679,591.20

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Solution

The fourth proportional to 2,009,287.20, 3,013,930.80 and 679,591.20 is: 1,019,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,287.20 : 3,013,930.80 = 679,591.20 : x
  2. Step 2: Convert to fraction form
    2,009,287.20/3,013,930.80 = 679,591.20/x
  3. Step 3: Cross multiply
    2,009,287.20x = 3,013,930.80 × 679,591.20
  4. Step 4: Simplify right side
    2,009,287.20x = 2,048,240,849,088.96
  5. Step 5: Solve for x
    x = 2,048,240,849,088.96/2,009,287.20
  6. Step 6: Final answer
    x = 1,019,386.80

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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.