Home / 6,681,523.86-9,220,406.85-3,928,528.26

Finding the Fourth Proportional to 6,681,523.86, 9,220,406.85 and 3,928,528.26

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Solution

The fourth proportional to 6,681,523.86, 9,220,406.85 and 3,928,528.26 is: 5,421,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681,523.86 : 9,220,406.85 = 3,928,528.26 : x
  2. Step 2: Convert to fraction form
    6,681,523.86/9,220,406.85 = 3,928,528.26/x
  3. Step 3: Cross multiply
    6,681,523.86x = 9,220,406.85 × 3,928,528.26
  4. Step 4: Simplify right side
    6,681,523.86x = 36,222,628,878,922.58
  5. Step 5: Solve for x
    x = 36,222,628,878,922.58/6,681,523.86
  6. Step 6: Final answer
    x = 5,421,312.51

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Double scale
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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.