Home / 2,187,595.20-3,281,392.80-1,343,409.60

Finding the Fourth Proportional to 2,187,595.20, 3,281,392.80 and 1,343,409.60

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Solution

The fourth proportional to 2,187,595.20, 3,281,392.80 and 1,343,409.60 is: 2,015,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,595.20 : 3,281,392.80 = 1,343,409.60 : x
  2. Step 2: Convert to fraction form
    2,187,595.20/3,281,392.80 = 1,343,409.60/x
  3. Step 3: Cross multiply
    2,187,595.20x = 3,281,392.80 × 1,343,409.60
  4. Step 4: Simplify right side
    2,187,595.20x = 4,408,254,588,890.88
  5. Step 5: Solve for x
    x = 4,408,254,588,890.88/2,187,595.20
  6. Step 6: Final answer
    x = 2,015,114.40

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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.