Home / 3,420,364.76-4,718,047.04-2,258,821.72

Finding the Fourth Proportional to 3,420,364.76, 4,718,047.04 and 2,258,821.72

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Solution

The fourth proportional to 3,420,364.76, 4,718,047.04 and 2,258,821.72 is: 3,115,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,364.76 : 4,718,047.04 = 2,258,821.72 : x
  2. Step 2: Convert to fraction form
    3,420,364.76/4,718,047.04 = 2,258,821.72/x
  3. Step 3: Cross multiply
    3,420,364.76x = 4,718,047.04 × 2,258,821.72
  4. Step 4: Simplify right side
    3,420,364.76x = 10,657,227,129,933.71
  5. Step 5: Solve for x
    x = 10,657,227,129,933.71/3,420,364.76
  6. Step 6: Final answer
    x = 3,115,815.97

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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.