Home / 2,174,075.32-3,257,561.92-1,321,407.76

Finding the Fourth Proportional to 2,174,075.32, 3,257,561.92 and 1,321,407.76

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Solution

The fourth proportional to 2,174,075.32, 3,257,561.92 and 1,321,407.76 is: 1,979,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,075.32 : 3,257,561.92 = 1,321,407.76 : x
  2. Step 2: Convert to fraction form
    2,174,075.32/3,257,561.92 = 1,321,407.76/x
  3. Step 3: Cross multiply
    2,174,075.32x = 3,257,561.92 × 1,321,407.76
  4. Step 4: Simplify right side
    2,174,075.32x = 4,304,567,599,768.50
  5. Step 5: Solve for x
    x = 4,304,567,599,768.50/2,174,075.32
  6. Step 6: Final answer
    x = 1,979,953.30

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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.