Home / 3,975,278.20-5,962,917.30-1,315,886.20

Finding the Fourth Proportional to 3,975,278.20, 5,962,917.30 and 1,315,886.20

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Solution

The fourth proportional to 3,975,278.20, 5,962,917.30 and 1,315,886.20 is: 1,973,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,278.20 : 5,962,917.30 = 1,315,886.20 : x
  2. Step 2: Convert to fraction form
    3,975,278.20/5,962,917.30 = 1,315,886.20/x
  3. Step 3: Cross multiply
    3,975,278.20x = 5,962,917.30 × 1,315,886.20
  4. Step 4: Simplify right side
    3,975,278.20x = 7,846,520,586,811.26
  5. Step 5: Solve for x
    x = 7,846,520,586,811.26/3,975,278.20
  6. Step 6: Final answer
    x = 1,973,829.30

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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.