Home / 1,314,101.80-1,971,152.70-1,181,132.20

Finding the Fourth Proportional to 1,314,101.80, 1,971,152.70 and 1,181,132.20

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Solution

The fourth proportional to 1,314,101.80, 1,971,152.70 and 1,181,132.20 is: 1,771,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,101.80 : 1,971,152.70 = 1,181,132.20 : x
  2. Step 2: Convert to fraction form
    1,314,101.80/1,971,152.70 = 1,181,132.20/x
  3. Step 3: Cross multiply
    1,314,101.80x = 1,971,152.70 × 1,181,132.20
  4. Step 4: Simplify right side
    1,314,101.80x = 2,328,191,925,086.94
  5. Step 5: Solve for x
    x = 2,328,191,925,086.94/1,314,101.80
  6. Step 6: Final answer
    x = 1,771,698.30

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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.