Home / 3,120,023.12-4,680,034.58-845,547.57

Finding the Fourth Proportional to 3,120,023.12, 4,680,034.58 and 845,547.57

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Solution

The fourth proportional to 3,120,023.12, 4,680,034.58 and 845,547.57 is: 1,268,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,023.12 : 4,680,034.58 = 845,547.57 : x
  2. Step 2: Convert to fraction form
    3,120,023.12/4,680,034.58 = 845,547.57/x
  3. Step 3: Cross multiply
    3,120,023.12x = 4,680,034.58 × 845,547.57
  4. Step 4: Simplify right side
    3,120,023.12x = 3,957,191,868,748.84
  5. Step 5: Solve for x
    x = 3,957,191,868,748.84/3,120,023.12
  6. Step 6: Final answer
    x = 1,268,321.33

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1.5x scale

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.