Home / 6,480,476.90-9,720,680.20-2,642,284.38

Finding the Fourth Proportional to 6,480,476.90, 9,720,680.20 and 2,642,284.38

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Solution

The fourth proportional to 6,480,476.90, 9,720,680.20 and 2,642,284.38 is: 3,963,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,476.90 : 9,720,680.20 = 2,642,284.38 : x
  2. Step 2: Convert to fraction form
    6,480,476.90/9,720,680.20 = 2,642,284.38/x
  3. Step 3: Cross multiply
    6,480,476.90x = 9,720,680.20 × 2,642,284.38
  4. Step 4: Simplify right side
    6,480,476.90x = 25,684,801,455,435.27
  5. Step 5: Solve for x
    x = 25,684,801,455,435.27/6,480,476.90
  6. Step 6: Final answer
    x = 3,963,412.24

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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.