Home / 1,971,014.70-2,956,522.05-1,128,873.90

Finding the Fourth Proportional to 1,971,014.70, 2,956,522.05 and 1,128,873.90

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Solution

The fourth proportional to 1,971,014.70, 2,956,522.05 and 1,128,873.90 is: 1,693,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,014.70 : 2,956,522.05 = 1,128,873.90 : x
  2. Step 2: Convert to fraction form
    1,971,014.70/2,956,522.05 = 1,128,873.90/x
  3. Step 3: Cross multiply
    1,971,014.70x = 2,956,522.05 × 1,128,873.90
  4. Step 4: Simplify right side
    1,971,014.70x = 3,337,540,577,019.49
  5. Step 5: Solve for x
    x = 3,337,540,577,019.49/1,971,014.70
  6. Step 6: Final answer
    x = 1,693,310.85

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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.