Home / 3,391,411.32-4,680,146.54-1,863,616.86

Finding the Fourth Proportional to 3,391,411.32, 4,680,146.54 and 1,863,616.86

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Solution

The fourth proportional to 3,391,411.32, 4,680,146.54 and 1,863,616.86 is: 2,571,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,411.32 : 4,680,146.54 = 1,863,616.86 : x
  2. Step 2: Convert to fraction form
    3,391,411.32/4,680,146.54 = 1,863,616.86/x
  3. Step 3: Cross multiply
    3,391,411.32x = 4,680,146.54 × 1,863,616.86
  4. Step 4: Simplify right side
    3,391,411.32x = 8,722,000,003,873.71
  5. Step 5: Solve for x
    x = 8,722,000,003,873.71/3,391,411.32
  6. Step 6: Final answer
    x = 2,571,790.67

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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.