Home / 2,776,803.30-3,833,974.44-2,165,638.86

Finding the Fourth Proportional to 2,776,803.30, 3,833,974.44 and 2,165,638.86

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Solution

The fourth proportional to 2,776,803.30, 3,833,974.44 and 2,165,638.86 is: 2,990,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,803.30 : 3,833,974.44 = 2,165,638.86 : x
  2. Step 2: Convert to fraction form
    2,776,803.30/3,833,974.44 = 2,165,638.86/x
  3. Step 3: Cross multiply
    2,776,803.30x = 3,833,974.44 × 2,165,638.86
  4. Step 4: Simplify right side
    2,776,803.30x = 8,303,004,035,510.74
  5. Step 5: Solve for x
    x = 8,303,004,035,510.74/2,776,803.30
  6. Step 6: Final answer
    x = 2,990,130.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.