Home / 6,456,583.77-8,909,426.27-3,975,410.40

Finding the Fourth Proportional to 6,456,583.77, 8,909,426.27 and 3,975,410.40

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Solution

The fourth proportional to 6,456,583.77, 8,909,426.27 and 3,975,410.40 is: 5,485,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,583.77 : 8,909,426.27 = 3,975,410.40 : x
  2. Step 2: Convert to fraction form
    6,456,583.77/8,909,426.27 = 3,975,410.40/x
  3. Step 3: Cross multiply
    6,456,583.77x = 8,909,426.27 × 3,975,410.40
  4. Step 4: Simplify right side
    6,456,583.77x = 35,418,625,851,791.20
  5. Step 5: Solve for x
    x = 35,418,625,851,791.20/6,456,583.77
  6. Step 6: Final answer
    x = 5,485,660.39

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1.5x scale

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.