Home / 2,657,181.36-3,986,404.80-860,065.20

Finding the Fourth Proportional to 2,657,181.36, 3,986,404.80 and 860,065.20

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Solution

The fourth proportional to 2,657,181.36, 3,986,404.80 and 860,065.20 is: 1,290,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,181.36 : 3,986,404.80 = 860,065.20 : x
  2. Step 2: Convert to fraction form
    2,657,181.36/3,986,404.80 = 860,065.20/x
  3. Step 3: Cross multiply
    2,657,181.36x = 3,986,404.80 × 860,065.20
  4. Step 4: Simplify right side
    2,657,181.36x = 3,428,568,041,592.96
  5. Step 5: Solve for x
    x = 3,428,568,041,592.96/2,657,181.36
  6. Step 6: Final answer
    x = 1,290,302.61

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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.