Home / 1,919,219.25-2,648,524.11-1,230,888.98

Finding the Fourth Proportional to 1,919,219.25, 2,648,524.11 and 1,230,888.98

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Solution

The fourth proportional to 1,919,219.25, 2,648,524.11 and 1,230,888.98 is: 1,698,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,219.25 : 2,648,524.11 = 1,230,888.98 : x
  2. Step 2: Convert to fraction form
    1,919,219.25/2,648,524.11 = 1,230,888.98/x
  3. Step 3: Cross multiply
    1,919,219.25x = 2,648,524.11 × 1,230,888.98
  4. Step 4: Simplify right side
    1,919,219.25x = 3,260,039,140,263.31
  5. Step 5: Solve for x
    x = 3,260,039,140,263.31/1,919,219.25
  6. Step 6: Final answer
    x = 1,698,627.78

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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.