Home / 4,920,043.20-7,380,064.80-3,020,625.60

Finding the Fourth Proportional to 4,920,043.20, 7,380,064.80 and 3,020,625.60

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Solution

The fourth proportional to 4,920,043.20, 7,380,064.80 and 3,020,625.60 is: 4,530,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,043.20 : 7,380,064.80 = 3,020,625.60 : x
  2. Step 2: Convert to fraction form
    4,920,043.20/7,380,064.80 = 3,020,625.60/x
  3. Step 3: Cross multiply
    4,920,043.20x = 7,380,064.80 × 3,020,625.60
  4. Step 4: Simplify right side
    4,920,043.20x = 22,292,412,664,538.88
  5. Step 5: Solve for x
    x = 22,292,412,664,538.88/4,920,043.20
  6. Step 6: Final answer
    x = 4,530,938.40

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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.