Home / 2,657,503.20-3,986,643.60-860,080.80

Finding the Fourth Proportional to 2,657,503.20, 3,986,643.60 and 860,080.80

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Solution

The fourth proportional to 2,657,503.20, 3,986,643.60 and 860,080.80 is: 1,290,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,503.20 : 3,986,643.60 = 860,080.80 : x
  2. Step 2: Convert to fraction form
    2,657,503.20/3,986,643.60 = 860,080.80/x
  3. Step 3: Cross multiply
    2,657,503.20x = 3,986,643.60 × 860,080.80
  4. Step 4: Simplify right side
    2,657,503.20x = 3,428,835,616,802.88
  5. Step 5: Solve for x
    x = 3,428,835,616,802.88/2,657,503.20
  6. Step 6: Final answer
    x = 1,290,247.03

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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.