Home / 5,120,170.16-7,680,549.96-1,925,324

Finding the Fourth Proportional to 5,120,170.16, 7,680,549.96 and 1,925,324

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Solution

The fourth proportional to 5,120,170.16, 7,680,549.96 and 1,925,324 is: 2,888,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,170.16 : 7,680,549.96 = 1,925,324 : x
  2. Step 2: Convert to fraction form
    5,120,170.16/7,680,549.96 = 1,925,324/x
  3. Step 3: Cross multiply
    5,120,170.16x = 7,680,549.96 × 1,925,324
  4. Step 4: Simplify right side
    5,120,170.16x = 14,787,547,171,187.04
  5. Step 5: Solve for x
    x = 14,787,547,171,187.04/5,120,170.16
  6. Step 6: Final answer
    x = 2,888,096.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.