Home / 1,459,805.40-2,189,708.10-1,377,136.80

Finding the Fourth Proportional to 1,459,805.40, 2,189,708.10 and 1,377,136.80

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Solution

The fourth proportional to 1,459,805.40, 2,189,708.10 and 1,377,136.80 is: 2,065,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,805.40 : 2,189,708.10 = 1,377,136.80 : x
  2. Step 2: Convert to fraction form
    1,459,805.40/2,189,708.10 = 1,377,136.80/x
  3. Step 3: Cross multiply
    1,459,805.40x = 2,189,708.10 × 1,377,136.80
  4. Step 4: Simplify right side
    1,459,805.40x = 3,015,527,605,768.08
  5. Step 5: Solve for x
    x = 3,015,527,605,768.08/1,459,805.40
  6. Step 6: Final answer
    x = 2,065,705.20

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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.