Home / 5,191,446.66-7,164,340.83-2,868,488.84

Finding the Fourth Proportional to 5,191,446.66, 7,164,340.83 and 2,868,488.84

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Solution

The fourth proportional to 5,191,446.66, 7,164,340.83 and 2,868,488.84 is: 3,958,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,446.66 : 7,164,340.83 = 2,868,488.84 : x
  2. Step 2: Convert to fraction form
    5,191,446.66/7,164,340.83 = 2,868,488.84/x
  3. Step 3: Cross multiply
    5,191,446.66x = 7,164,340.83 × 2,868,488.84
  4. Step 4: Simplify right side
    5,191,446.66x = 20,550,831,680,989.63
  5. Step 5: Solve for x
    x = 20,550,831,680,989.63/5,191,446.66
  6. Step 6: Final answer
    x = 3,958,594.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.