Home / 2,178,739.10-3,265,343.85-1,940,966.30

Finding the Fourth Proportional to 2,178,739.10, 3,265,343.85 and 1,940,966.30

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Solution

The fourth proportional to 2,178,739.10, 3,265,343.85 and 1,940,966.30 is: 2,908,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,739.10 : 3,265,343.85 = 1,940,966.30 : x
  2. Step 2: Convert to fraction form
    2,178,739.10/3,265,343.85 = 1,940,966.30/x
  3. Step 3: Cross multiply
    2,178,739.10x = 3,265,343.85 × 1,940,966.30
  4. Step 4: Simplify right side
    2,178,739.10x = 6,337,922,370,762.26
  5. Step 5: Solve for x
    x = 6,337,922,370,762.26/2,178,739.10
  6. Step 6: Final answer
    x = 2,908,986.38

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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.