Home / 2,099,206.80-3,148,032.60-679,309.20

Finding the Fourth Proportional to 2,099,206.80, 3,148,032.60 and 679,309.20

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Solution

The fourth proportional to 2,099,206.80, 3,148,032.60 and 679,309.20 is: 1,018,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,206.80 : 3,148,032.60 = 679,309.20 : x
  2. Step 2: Convert to fraction form
    2,099,206.80/3,148,032.60 = 679,309.20/x
  3. Step 3: Cross multiply
    2,099,206.80x = 3,148,032.60 × 679,309.20
  4. Step 4: Simplify right side
    2,099,206.80x = 2,138,487,507,079.92
  5. Step 5: Solve for x
    x = 2,138,487,507,079.92/2,099,206.80
  6. Step 6: Final answer
    x = 1,018,712.17

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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.