Home / 5,110,079.45-7,667,164.01-2,077,678.40

Finding the Fourth Proportional to 5,110,079.45, 7,667,164.01 and 2,077,678.40

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Solution

The fourth proportional to 5,110,079.45, 7,667,164.01 and 2,077,678.40 is: 3,117,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110,079.45 : 7,667,164.01 = 2,077,678.40 : x
  2. Step 2: Convert to fraction form
    5,110,079.45/7,667,164.01 = 2,077,678.40/x
  3. Step 3: Cross multiply
    5,110,079.45x = 7,667,164.01 × 2,077,678.40
  4. Step 4: Simplify right side
    5,110,079.45x = 15,929,901,004,110.17
  5. Step 5: Solve for x
    x = 15,929,901,004,110.17/5,110,079.45
  6. Step 6: Final answer
    x = 3,117,348.99

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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.