Home / 3,941,271.72-5,438,956.58-2,130,435.72

Finding the Fourth Proportional to 3,941,271.72, 5,438,956.58 and 2,130,435.72

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Solution

The fourth proportional to 3,941,271.72, 5,438,956.58 and 2,130,435.72 is: 2,940,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,271.72 : 5,438,956.58 = 2,130,435.72 : x
  2. Step 2: Convert to fraction form
    3,941,271.72/5,438,956.58 = 2,130,435.72/x
  3. Step 3: Cross multiply
    3,941,271.72x = 5,438,956.58 × 2,130,435.72
  4. Step 4: Simplify right side
    3,941,271.72x = 11,587,347,377,561.04
  5. Step 5: Solve for x
    x = 11,587,347,377,561.04/3,941,271.72
  6. Step 6: Final answer
    x = 2,940,002.16

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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.