Home / 1,651,317.60-2,474,643.60-1,221,499.20

Finding the Fourth Proportional to 1,651,317.60, 2,474,643.60 and 1,221,499.20

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Solution

The fourth proportional to 1,651,317.60, 2,474,643.60 and 1,221,499.20 is: 1,830,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,317.60 : 2,474,643.60 = 1,221,499.20 : x
  2. Step 2: Convert to fraction form
    1,651,317.60/2,474,643.60 = 1,221,499.20/x
  3. Step 3: Cross multiply
    1,651,317.60x = 2,474,643.60 × 1,221,499.20
  4. Step 4: Simplify right side
    1,651,317.60x = 3,022,775,177,685.12
  5. Step 5: Solve for x
    x = 3,022,775,177,685.12/1,651,317.60
  6. Step 6: Final answer
    x = 1,830,523.20

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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.