Home / 3,191,091.76-4,786,600.74-916,671.93

Finding the Fourth Proportional to 3,191,091.76, 4,786,600.74 and 916,671.93

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Solution

The fourth proportional to 3,191,091.76, 4,786,600.74 and 916,671.93 is: 1,374,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,091.76 : 4,786,600.74 = 916,671.93 : x
  2. Step 2: Convert to fraction form
    3,191,091.76/4,786,600.74 = 916,671.93/x
  3. Step 3: Cross multiply
    3,191,091.76x = 4,786,600.74 × 916,671.93
  4. Step 4: Simplify right side
    3,191,091.76x = 4,387,742,538,475.23
  5. Step 5: Solve for x
    x = 4,387,742,538,475.23/3,191,091.76
  6. Step 6: Final answer
    x = 1,374,997.30

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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.