Home / 6,456,580.77-8,909,422.13-3,975,407.40

Finding the Fourth Proportional to 6,456,580.77, 8,909,422.13 and 3,975,407.40

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Solution

The fourth proportional to 6,456,580.77, 8,909,422.13 and 3,975,407.40 is: 5,485,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,580.77 : 8,909,422.13 = 3,975,407.40 : x
  2. Step 2: Convert to fraction form
    6,456,580.77/8,909,422.13 = 3,975,407.40/x
  3. Step 3: Cross multiply
    6,456,580.77x = 8,909,422.13 × 3,975,407.40
  4. Step 4: Simplify right side
    6,456,580.77x = 35,418,582,691,902.77
  5. Step 5: Solve for x
    x = 35,418,582,691,902.77/6,456,580.77
  6. Step 6: Final answer
    x = 5,485,656.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.