Home / 2,000,643.40-2,998,923.90-988,208.20

Finding the Fourth Proportional to 2,000,643.40, 2,998,923.90 and 988,208.20

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Solution

The fourth proportional to 2,000,643.40, 2,998,923.90 and 988,208.20 is: 1,481,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,643.40 : 2,998,923.90 = 988,208.20 : x
  2. Step 2: Convert to fraction form
    2,000,643.40/2,998,923.90 = 988,208.20/x
  3. Step 3: Cross multiply
    2,000,643.40x = 2,998,923.90 × 988,208.20
  4. Step 4: Simplify right side
    2,000,643.40x = 2,963,561,189,155.98
  5. Step 5: Solve for x
    x = 2,963,561,189,155.98/2,000,643.40
  6. Step 6: Final answer
    x = 1,481,304.06

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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.