Home / 2,984,209.40-4,476,314.10-989,406.20

Finding the Fourth Proportional to 2,984,209.40, 4,476,314.10 and 989,406.20

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Solution

The fourth proportional to 2,984,209.40, 4,476,314.10 and 989,406.20 is: 1,484,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,209.40 : 4,476,314.10 = 989,406.20 : x
  2. Step 2: Convert to fraction form
    2,984,209.40/4,476,314.10 = 989,406.20/x
  3. Step 3: Cross multiply
    2,984,209.40x = 4,476,314.10 × 989,406.20
  4. Step 4: Simplify right side
    2,984,209.40x = 4,428,892,923,687.42
  5. Step 5: Solve for x
    x = 4,428,892,923,687.42/2,984,209.40
  6. Step 6: Final answer
    x = 1,484,109.30

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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.