Home / 3,819,970.08-5,271,561.24-2,101,221.36

Finding the Fourth Proportional to 3,819,970.08, 5,271,561.24 and 2,101,221.36

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Solution

The fourth proportional to 3,819,970.08, 5,271,561.24 and 2,101,221.36 is: 2,899,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,970.08 : 5,271,561.24 = 2,101,221.36 : x
  2. Step 2: Convert to fraction form
    3,819,970.08/5,271,561.24 = 2,101,221.36/x
  3. Step 3: Cross multiply
    3,819,970.08x = 5,271,561.24 × 2,101,221.36
  4. Step 4: Simplify right side
    3,819,970.08x = 11,076,717,078,036.09
  5. Step 5: Solve for x
    x = 11,076,717,078,036.09/3,819,970.08
  6. Step 6: Final answer
    x = 2,899,686.87

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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.