Home / 3,971,279.40-5,956,919.10-2,913,743.40

Finding the Fourth Proportional to 3,971,279.40, 5,956,919.10 and 2,913,743.40

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Solution

The fourth proportional to 3,971,279.40, 5,956,919.10 and 2,913,743.40 is: 4,370,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,279.40 : 5,956,919.10 = 2,913,743.40 : x
  2. Step 2: Convert to fraction form
    3,971,279.40/5,956,919.10 = 2,913,743.40/x
  3. Step 3: Cross multiply
    3,971,279.40x = 5,956,919.10 × 2,913,743.40
  4. Step 4: Simplify right side
    3,971,279.40x = 17,356,933,711,958.94
  5. Step 5: Solve for x
    x = 17,356,933,711,958.94/3,971,279.40
  6. Step 6: Final answer
    x = 4,370,615.10

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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.