Home / 1,989,902.40-2,984,841.45-569,961.06

Finding the Fourth Proportional to 1,989,902.40, 2,984,841.45 and 569,961.06

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Solution

The fourth proportional to 1,989,902.40, 2,984,841.45 and 569,961.06 is: 854,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,902.40 : 2,984,841.45 = 569,961.06 : x
  2. Step 2: Convert to fraction form
    1,989,902.40/2,984,841.45 = 569,961.06/x
  3. Step 3: Cross multiply
    1,989,902.40x = 2,984,841.45 × 569,961.06
  4. Step 4: Simplify right side
    1,989,902.40x = 1,701,243,396,773.94
  5. Step 5: Solve for x
    x = 1,701,243,396,773.94/1,989,902.40
  6. Step 6: Final answer
    x = 854,938.11

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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.