Home / 2,754,139.20-4,131,208.80-860,877.60

Finding the Fourth Proportional to 2,754,139.20, 4,131,208.80 and 860,877.60

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Solution

The fourth proportional to 2,754,139.20, 4,131,208.80 and 860,877.60 is: 1,291,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,139.20 : 4,131,208.80 = 860,877.60 : x
  2. Step 2: Convert to fraction form
    2,754,139.20/4,131,208.80 = 860,877.60/x
  3. Step 3: Cross multiply
    2,754,139.20x = 4,131,208.80 × 860,877.60
  4. Step 4: Simplify right side
    2,754,139.20x = 3,556,465,116,842.88
  5. Step 5: Solve for x
    x = 3,556,465,116,842.88/2,754,139.20
  6. Step 6: Final answer
    x = 1,291,316.40

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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.