Home / 4,751,998.80-7,127,998.20-4,657,520.40

Finding the Fourth Proportional to 4,751,998.80, 7,127,998.20 and 4,657,520.40

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Solution

The fourth proportional to 4,751,998.80, 7,127,998.20 and 4,657,520.40 is: 6,986,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751,998.80 : 7,127,998.20 = 4,657,520.40 : x
  2. Step 2: Convert to fraction form
    4,751,998.80/7,127,998.20 = 4,657,520.40/x
  3. Step 3: Cross multiply
    4,751,998.80x = 7,127,998.20 × 4,657,520.40
  4. Step 4: Simplify right side
    4,751,998.80x = 33,198,797,027,663.29
  5. Step 5: Solve for x
    x = 33,198,797,027,663.29/4,751,998.80
  6. Step 6: Final answer
    x = 6,986,280.60

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1.5x scale

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.