Home / 2,989,554.28-4,482,159.00-1,191,898.60

Finding the Fourth Proportional to 2,989,554.28, 4,482,159.00 and 1,191,898.60

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Solution

The fourth proportional to 2,989,554.28, 4,482,159.00 and 1,191,898.60 is: 1,786,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,554.28 : 4,482,159.00 = 1,191,898.60 : x
  2. Step 2: Convert to fraction form
    2,989,554.28/4,482,159.00 = 1,191,898.60/x
  3. Step 3: Cross multiply
    2,989,554.28x = 4,482,159.00 × 1,191,898.60
  4. Step 4: Simplify right side
    2,989,554.28x = 5,342,279,021,402.38
  5. Step 5: Solve for x
    x = 5,342,279,021,402.38/2,989,554.28
  6. Step 6: Final answer
    x = 1,786,981.78

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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.