Home / 2,989,553.43-4,482,157.71-1,191,897.75

Finding the Fourth Proportional to 2,989,553.43, 4,482,157.71 and 1,191,897.75

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Solution

The fourth proportional to 2,989,553.43, 4,482,157.71 and 1,191,897.75 is: 1,786,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,553.43 : 4,482,157.71 = 1,191,897.75 : x
  2. Step 2: Convert to fraction form
    2,989,553.43/4,482,157.71 = 1,191,897.75/x
  3. Step 3: Cross multiply
    2,989,553.43x = 4,482,157.71 × 1,191,897.75
  4. Step 4: Simplify right side
    2,989,553.43x = 5,342,273,710,971.86
  5. Step 5: Solve for x
    x = 5,342,273,710,971.86/2,989,553.43
  6. Step 6: Final answer
    x = 1,786,980.51

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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.