Home / 1,918,519.72-2,648,311.14-1,265,041.96

Finding the Fourth Proportional to 1,918,519.72, 2,648,311.14 and 1,265,041.96

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Solution

The fourth proportional to 1,918,519.72, 2,648,311.14 and 1,265,041.96 is: 1,746,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,519.72 : 2,648,311.14 = 1,265,041.96 : x
  2. Step 2: Convert to fraction form
    1,918,519.72/2,648,311.14 = 1,265,041.96/x
  3. Step 3: Cross multiply
    1,918,519.72x = 2,648,311.14 × 1,265,041.96
  4. Step 4: Simplify right side
    1,918,519.72x = 3,350,224,715,235.43
  5. Step 5: Solve for x
    x = 3,350,224,715,235.43/1,918,519.72
  6. Step 6: Final answer
    x = 1,746,255.03

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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.