Home / 2,126,321.40-3,189,482.10-1,169,727.60

Finding the Fourth Proportional to 2,126,321.40, 3,189,482.10 and 1,169,727.60

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Solution

The fourth proportional to 2,126,321.40, 3,189,482.10 and 1,169,727.60 is: 1,754,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,321.40 : 3,189,482.10 = 1,169,727.60 : x
  2. Step 2: Convert to fraction form
    2,126,321.40/3,189,482.10 = 1,169,727.60/x
  3. Step 3: Cross multiply
    2,126,321.40x = 3,189,482.10 × 1,169,727.60
  4. Step 4: Simplify right side
    2,126,321.40x = 3,730,825,242,075.96
  5. Step 5: Solve for x
    x = 3,730,825,242,075.96/2,126,321.40
  6. Step 6: Final answer
    x = 1,754,591.40

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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.