Home / 2,783,143.90-4,174,278.45-985,770.10

Finding the Fourth Proportional to 2,783,143.90, 4,174,278.45 and 985,770.10

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Solution

The fourth proportional to 2,783,143.90, 4,174,278.45 and 985,770.10 is: 1,478,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,143.90 : 4,174,278.45 = 985,770.10 : x
  2. Step 2: Convert to fraction form
    2,783,143.90/4,174,278.45 = 985,770.10/x
  3. Step 3: Cross multiply
    2,783,143.90x = 4,174,278.45 × 985,770.10
  4. Step 4: Simplify right side
    2,783,143.90x = 4,114,878,885,084.35
  5. Step 5: Solve for x
    x = 4,114,878,885,084.35/2,783,143.90
  6. Step 6: Final answer
    x = 1,478,500.23

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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.