Home / 2,649,167.80-3,971,505.30-965,289.40

Finding the Fourth Proportional to 2,649,167.80, 3,971,505.30 and 965,289.40

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Solution

The fourth proportional to 2,649,167.80, 3,971,505.30 and 965,289.40 is: 1,447,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,167.80 : 3,971,505.30 = 965,289.40 : x
  2. Step 2: Convert to fraction form
    2,649,167.80/3,971,505.30 = 965,289.40/x
  3. Step 3: Cross multiply
    2,649,167.80x = 3,971,505.30 × 965,289.40
  4. Step 4: Simplify right side
    2,649,167.80x = 3,833,651,968,133.82
  5. Step 5: Solve for x
    x = 3,833,651,968,133.82/2,649,167.80
  6. Step 6: Final answer
    x = 1,447,115.57

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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.