Home / 1,314,103.80-1,971,155.70-1,181,134.20

Finding the Fourth Proportional to 1,314,103.80, 1,971,155.70 and 1,181,134.20

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Solution

The fourth proportional to 1,314,103.80, 1,971,155.70 and 1,181,134.20 is: 1,771,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,103.80 : 1,971,155.70 = 1,181,134.20 : x
  2. Step 2: Convert to fraction form
    1,314,103.80/1,971,155.70 = 1,181,134.20/x
  3. Step 3: Cross multiply
    1,314,103.80x = 1,971,155.70 × 1,181,134.20
  4. Step 4: Simplify right side
    1,314,103.80x = 2,328,199,410,794.94
  5. Step 5: Solve for x
    x = 2,328,199,410,794.94/1,314,103.80
  6. Step 6: Final answer
    x = 1,771,701.30

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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.