Home / 5,218,923.12-7,829,508.96-1,575,347.78

Finding the Fourth Proportional to 5,218,923.12, 7,829,508.96 and 1,575,347.78

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Solution

The fourth proportional to 5,218,923.12, 7,829,508.96 and 1,575,347.78 is: 2,363,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,923.12 : 7,829,508.96 = 1,575,347.78 : x
  2. Step 2: Convert to fraction form
    5,218,923.12/7,829,508.96 = 1,575,347.78/x
  3. Step 3: Cross multiply
    5,218,923.12x = 7,829,508.96 × 1,575,347.78
  4. Step 4: Simplify right side
    5,218,923.12x = 12,334,199,519,478.56
  5. Step 5: Solve for x
    x = 12,334,199,519,478.56/5,218,923.12
  6. Step 6: Final answer
    x = 2,363,361.03

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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.