Home / 2,925,636.39-4,388,651.42-1,128,534.75

Finding the Fourth Proportional to 2,925,636.39, 4,388,651.42 and 1,128,534.75

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Solution

The fourth proportional to 2,925,636.39, 4,388,651.42 and 1,128,534.75 is: 1,692,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,636.39 : 4,388,651.42 = 1,128,534.75 : x
  2. Step 2: Convert to fraction form
    2,925,636.39/4,388,651.42 = 1,128,534.75/x
  3. Step 3: Cross multiply
    2,925,636.39x = 4,388,651.42 × 1,128,534.75
  4. Step 4: Simplify right side
    2,925,636.39x = 4,952,745,627,464.17
  5. Step 5: Solve for x
    x = 4,952,745,627,464.17/2,925,636.39
  6. Step 6: Final answer
    x = 1,692,878.05

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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.