Home / 1,820,709.80-2,734,017.15-1,318,793.30

Finding the Fourth Proportional to 1,820,709.80, 2,734,017.15 and 1,318,793.30

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Solution

The fourth proportional to 1,820,709.80, 2,734,017.15 and 1,318,793.30 is: 1,980,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,709.80 : 2,734,017.15 = 1,318,793.30 : x
  2. Step 2: Convert to fraction form
    1,820,709.80/2,734,017.15 = 1,318,793.30/x
  3. Step 3: Cross multiply
    1,820,709.80x = 2,734,017.15 × 1,318,793.30
  4. Step 4: Simplify right side
    1,820,709.80x = 3,605,603,499,505.10
  5. Step 5: Solve for x
    x = 3,605,603,499,505.10/1,820,709.80
  6. Step 6: Final answer
    x = 1,980,328.50

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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.