Home / 5,284,685.76-7,929,129.12-1,691,006.40

Finding the Fourth Proportional to 5,284,685.76, 7,929,129.12 and 1,691,006.40

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Solution

The fourth proportional to 5,284,685.76, 7,929,129.12 and 1,691,006.40 is: 2,537,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284,685.76 : 7,929,129.12 = 1,691,006.40 : x
  2. Step 2: Convert to fraction form
    5,284,685.76/7,929,129.12 = 1,691,006.40/x
  3. Step 3: Cross multiply
    5,284,685.76x = 7,929,129.12 × 1,691,006.40
  4. Step 4: Simplify right side
    5,284,685.76x = 13,408,208,088,346.37
  5. Step 5: Solve for x
    x = 13,408,208,088,346.37/5,284,685.76
  6. Step 6: Final answer
    x = 2,537,181.72

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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.