Home / 2,916,561.60-4,374,842.40-1,782,820.80

Finding the Fourth Proportional to 2,916,561.60, 4,374,842.40 and 1,782,820.80

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Solution

The fourth proportional to 2,916,561.60, 4,374,842.40 and 1,782,820.80 is: 2,674,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,561.60 : 4,374,842.40 = 1,782,820.80 : x
  2. Step 2: Convert to fraction form
    2,916,561.60/4,374,842.40 = 1,782,820.80/x
  3. Step 3: Cross multiply
    2,916,561.60x = 4,374,842.40 × 1,782,820.80
  4. Step 4: Simplify right side
    2,916,561.60x = 7,799,560,027,441.92
  5. Step 5: Solve for x
    x = 7,799,560,027,441.92/2,916,561.60
  6. Step 6: Final answer
    x = 2,674,231.20

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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.