Home / 6,787,215-9,366,417.42-3,689,744.76

Finding the Fourth Proportional to 6,787,215, 9,366,417.42 and 3,689,744.76

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Solution

The fourth proportional to 6,787,215, 9,366,417.42 and 3,689,744.76 is: 5,091,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,215 : 9,366,417.42 = 3,689,744.76 : x
  2. Step 2: Convert to fraction form
    6,787,215/9,366,417.42 = 3,689,744.76/x
  3. Step 3: Cross multiply
    6,787,215x = 9,366,417.42 × 3,689,744.76
  4. Step 4: Simplify right side
    6,787,215x = 34,559,689,595,417.72
  5. Step 5: Solve for x
    x = 34,559,689,595,417.72/6,787,215
  6. Step 6: Final answer
    x = 5,091,880.78

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Double scale
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1.5x scale

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.