Home / 4,920,912.69-6,791,056.38-2,745,645.81

Finding the Fourth Proportional to 4,920,912.69, 6,791,056.38 and 2,745,645.81

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Solution

The fourth proportional to 4,920,912.69, 6,791,056.38 and 2,745,645.81 is: 3,789,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,912.69 : 6,791,056.38 = 2,745,645.81 : x
  2. Step 2: Convert to fraction form
    4,920,912.69/6,791,056.38 = 2,745,645.81/x
  3. Step 3: Cross multiply
    4,920,912.69x = 6,791,056.38 × 2,745,645.81
  4. Step 4: Simplify right side
    4,920,912.69x = 18,645,835,495,220.77
  5. Step 5: Solve for x
    x = 18,645,835,495,220.77/4,920,912.69
  6. Step 6: Final answer
    x = 3,789,101.06

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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.