Home / 3,121,002.20-4,681,503.30-877,140.20

Finding the Fourth Proportional to 3,121,002.20, 4,681,503.30 and 877,140.20

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Solution

The fourth proportional to 3,121,002.20, 4,681,503.30 and 877,140.20 is: 1,315,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,002.20 : 4,681,503.30 = 877,140.20 : x
  2. Step 2: Convert to fraction form
    3,121,002.20/4,681,503.30 = 877,140.20/x
  3. Step 3: Cross multiply
    3,121,002.20x = 4,681,503.30 × 877,140.20
  4. Step 4: Simplify right side
    3,121,002.20x = 4,106,334,717,455.14
  5. Step 5: Solve for x
    x = 4,106,334,717,455.14/3,121,002.20
  6. Step 6: Final answer
    x = 1,315,710.29

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Similar ratio
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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.