Home / 6,480,475.91-9,720,678.70-2,642,283.39

Finding the Fourth Proportional to 6,480,475.91, 9,720,678.70 and 2,642,283.39

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Solution

The fourth proportional to 6,480,475.91, 9,720,678.70 and 2,642,283.39 is: 3,963,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,475.91 : 9,720,678.70 = 2,642,283.39 : x
  2. Step 2: Convert to fraction form
    6,480,475.91/9,720,678.70 = 2,642,283.39/x
  3. Step 3: Cross multiply
    6,480,475.91x = 9,720,678.70 × 2,642,283.39
  4. Step 4: Simplify right side
    6,480,475.91x = 25,684,787,868,536.79
  5. Step 5: Solve for x
    x = 25,684,787,868,536.79/6,480,475.91
  6. Step 6: Final answer
    x = 3,963,410.75

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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.