Home / 2,180,359.60-3,270,539.40-1,385,166.40

Finding the Fourth Proportional to 2,180,359.60, 3,270,539.40 and 1,385,166.40

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Solution

The fourth proportional to 2,180,359.60, 3,270,539.40 and 1,385,166.40 is: 2,077,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,359.60 : 3,270,539.40 = 1,385,166.40 : x
  2. Step 2: Convert to fraction form
    2,180,359.60/3,270,539.40 = 1,385,166.40/x
  3. Step 3: Cross multiply
    2,180,359.60x = 3,270,539.40 × 1,385,166.40
  4. Step 4: Simplify right side
    2,180,359.60x = 4,530,241,286,756.16
  5. Step 5: Solve for x
    x = 4,530,241,286,756.16/2,180,359.60
  6. Step 6: Final answer
    x = 2,077,749.60

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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.