Home / 3,819,931.20-5,271,507.76-2,101,182.48

Finding the Fourth Proportional to 3,819,931.20, 5,271,507.76 and 2,101,182.48

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Solution

The fourth proportional to 3,819,931.20, 5,271,507.76 and 2,101,182.48 is: 2,899,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,931.20 : 5,271,507.76 = 2,101,182.48 : x
  2. Step 2: Convert to fraction form
    3,819,931.20/5,271,507.76 = 2,101,182.48/x
  3. Step 3: Cross multiply
    3,819,931.20x = 5,271,507.76 × 2,101,182.48
  4. Step 4: Simplify right side
    3,819,931.20x = 11,076,399,748,496.04
  5. Step 5: Solve for x
    x = 11,076,399,748,496.04/3,819,931.20
  6. Step 6: Final answer
    x = 2,899,633.31

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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.