Home / 1,821,158.70-2,731,738.05-970,853.10

Finding the Fourth Proportional to 1,821,158.70, 2,731,738.05 and 970,853.10

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Solution

The fourth proportional to 1,821,158.70, 2,731,738.05 and 970,853.10 is: 1,456,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,158.70 : 2,731,738.05 = 970,853.10 : x
  2. Step 2: Convert to fraction form
    1,821,158.70/2,731,738.05 = 970,853.10/x
  3. Step 3: Cross multiply
    1,821,158.70x = 2,731,738.05 × 970,853.10
  4. Step 4: Simplify right side
    1,821,158.70x = 2,652,116,354,230.45
  5. Step 5: Solve for x
    x = 2,652,116,354,230.45/1,821,158.70
  6. Step 6: Final answer
    x = 1,456,279.65

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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.