Home / 1,989,901.40-2,984,839.94-569,960.06

Finding the Fourth Proportional to 1,989,901.40, 2,984,839.94 and 569,960.06

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Solution

The fourth proportional to 1,989,901.40, 2,984,839.94 and 569,960.06 is: 854,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,901.40 : 2,984,839.94 = 569,960.06 : x
  2. Step 2: Convert to fraction form
    1,989,901.40/2,984,839.94 = 569,960.06/x
  3. Step 3: Cross multiply
    1,989,901.40x = 2,984,839.94 × 569,960.06
  4. Step 4: Simplify right side
    1,989,901.40x = 1,701,239,551,292.80
  5. Step 5: Solve for x
    x = 1,701,239,551,292.80/1,989,901.40
  6. Step 6: Final answer
    x = 854,936.61

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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.