Home / 3,908,276.80-5,862,415.20-3,236,430.40

Finding the Fourth Proportional to 3,908,276.80, 5,862,415.20 and 3,236,430.40

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Solution

The fourth proportional to 3,908,276.80, 5,862,415.20 and 3,236,430.40 is: 4,854,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,276.80 : 5,862,415.20 = 3,236,430.40 : x
  2. Step 2: Convert to fraction form
    3,908,276.80/5,862,415.20 = 3,236,430.40/x
  3. Step 3: Cross multiply
    3,908,276.80x = 5,862,415.20 × 3,236,430.40
  4. Step 4: Simplify right side
    3,908,276.80x = 18,973,298,770,702.08
  5. Step 5: Solve for x
    x = 18,973,298,770,702.08/3,908,276.80
  6. Step 6: Final answer
    x = 4,854,645.60

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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.