Home / 4,919,399.20-6,788,478.48-2,854,254.80

Finding the Fourth Proportional to 4,919,399.20, 6,788,478.48 and 2,854,254.80

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Solution

The fourth proportional to 4,919,399.20, 6,788,478.48 and 2,854,254.80 is: 3,938,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,399.20 : 6,788,478.48 = 2,854,254.80 : x
  2. Step 2: Convert to fraction form
    4,919,399.20/6,788,478.48 = 2,854,254.80/x
  3. Step 3: Cross multiply
    4,919,399.20x = 6,788,478.48 × 2,854,254.80
  4. Step 4: Simplify right side
    4,919,399.20x = 19,376,047,286,236.70
  5. Step 5: Solve for x
    x = 19,376,047,286,236.70/4,919,399.20
  6. Step 6: Final answer
    x = 3,938,701.96

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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.