Home / 5,184,005.10-7,776,007.65-1,397,870.70

Finding the Fourth Proportional to 5,184,005.10, 7,776,007.65 and 1,397,870.70

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Solution

The fourth proportional to 5,184,005.10, 7,776,007.65 and 1,397,870.70 is: 2,096,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,005.10 : 7,776,007.65 = 1,397,870.70 : x
  2. Step 2: Convert to fraction form
    5,184,005.10/7,776,007.65 = 1,397,870.70/x
  3. Step 3: Cross multiply
    5,184,005.10x = 7,776,007.65 × 1,397,870.70
  4. Step 4: Simplify right side
    5,184,005.10x = 10,869,853,256,910.86
  5. Step 5: Solve for x
    x = 10,869,853,256,910.86/5,184,005.10
  6. Step 6: Final answer
    x = 2,096,806.05

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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.