Home / 2,180,429.20-3,270,643.80-1,235,645.20

Finding the Fourth Proportional to 2,180,429.20, 3,270,643.80 and 1,235,645.20

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Solution

The fourth proportional to 2,180,429.20, 3,270,643.80 and 1,235,645.20 is: 1,853,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,429.20 : 3,270,643.80 = 1,235,645.20 : x
  2. Step 2: Convert to fraction form
    2,180,429.20/3,270,643.80 = 1,235,645.20/x
  3. Step 3: Cross multiply
    2,180,429.20x = 3,270,643.80 × 1,235,645.20
  4. Step 4: Simplify right side
    2,180,429.20x = 4,041,355,312,379.76
  5. Step 5: Solve for x
    x = 4,041,355,312,379.76/2,180,429.20
  6. Step 6: Final answer
    x = 1,853,467.80

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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.