Home / 2,767,085.44-4,151,889.20-1,420,193.76

Finding the Fourth Proportional to 2,767,085.44, 4,151,889.20 and 1,420,193.76

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Solution

The fourth proportional to 2,767,085.44, 4,151,889.20 and 1,420,193.76 is: 2,130,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,085.44 : 4,151,889.20 = 1,420,193.76 : x
  2. Step 2: Convert to fraction form
    2,767,085.44/4,151,889.20 = 1,420,193.76/x
  3. Step 3: Cross multiply
    2,767,085.44x = 4,151,889.20 × 1,420,193.76
  4. Step 4: Simplify right side
    2,767,085.44x = 5,896,487,134,051.39
  5. Step 5: Solve for x
    x = 5,896,487,134,051.39/2,767,085.44
  6. Step 6: Final answer
    x = 2,130,937.86

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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.