Home / 3,110,931.20-4,293,084.08-1,680,147.20

Finding the Fourth Proportional to 3,110,931.20, 4,293,084.08 and 1,680,147.20

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Solution

The fourth proportional to 3,110,931.20, 4,293,084.08 and 1,680,147.20 is: 2,318,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,931.20 : 4,293,084.08 = 1,680,147.20 : x
  2. Step 2: Convert to fraction form
    3,110,931.20/4,293,084.08 = 1,680,147.20/x
  3. Step 3: Cross multiply
    3,110,931.20x = 4,293,084.08 × 1,680,147.20
  4. Step 4: Simplify right side
    3,110,931.20x = 7,213,013,196,376.58
  5. Step 5: Solve for x
    x = 7,213,013,196,376.58/3,110,931.20
  6. Step 6: Final answer
    x = 2,318,602.61

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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.