Home / 1,820,725.30-2,734,040.40-1,318,808.80

Finding the Fourth Proportional to 1,820,725.30, 2,734,040.40 and 1,318,808.80

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Solution

The fourth proportional to 1,820,725.30, 2,734,040.40 and 1,318,808.80 is: 1,980,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,725.30 : 2,734,040.40 = 1,318,808.80 : x
  2. Step 2: Convert to fraction form
    1,820,725.30/2,734,040.40 = 1,318,808.80/x
  3. Step 3: Cross multiply
    1,820,725.30x = 2,734,040.40 × 1,318,808.80
  4. Step 4: Simplify right side
    1,820,725.30x = 3,605,676,539,075.52
  5. Step 5: Solve for x
    x = 3,605,676,539,075.52/1,820,725.30
  6. Step 6: Final answer
    x = 1,980,351.75

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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.