Home / 3,151,284.63-4,727,094.57-992,478.57

Finding the Fourth Proportional to 3,151,284.63, 4,727,094.57 and 992,478.57

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Solution

The fourth proportional to 3,151,284.63, 4,727,094.57 and 992,478.57 is: 1,488,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,284.63 : 4,727,094.57 = 992,478.57 : x
  2. Step 2: Convert to fraction form
    3,151,284.63/4,727,094.57 = 992,478.57/x
  3. Step 3: Cross multiply
    3,151,284.63x = 4,727,094.57 × 992,478.57
  4. Step 4: Simplify right side
    3,151,284.63x = 4,691,540,059,088.37
  5. Step 5: Solve for x
    x = 4,691,540,059,088.37/3,151,284.63
  6. Step 6: Final answer
    x = 1,488,770.65

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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.