Home / 6,439,277.92-8,881,705.20-5,465,692.48

Finding the Fourth Proportional to 6,439,277.92, 8,881,705.20 and 5,465,692.48

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Solution

The fourth proportional to 6,439,277.92, 8,881,705.20 and 5,465,692.48 is: 7,538,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,277.92 : 8,881,705.20 = 5,465,692.48 : x
  2. Step 2: Convert to fraction form
    6,439,277.92/8,881,705.20 = 5,465,692.48/x
  3. Step 3: Cross multiply
    6,439,277.92x = 8,881,705.20 × 5,465,692.48
  4. Step 4: Simplify right side
    6,439,277.92x = 48,544,669,321,216.90
  5. Step 5: Solve for x
    x = 48,544,669,321,216.90/6,439,277.92
  6. Step 6: Final answer
    x = 7,538,837.42

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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.