Home / 2,581,031.80-3,561,812.22-1,435,043.80

Finding the Fourth Proportional to 2,581,031.80, 3,561,812.22 and 1,435,043.80

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Solution

The fourth proportional to 2,581,031.80, 3,561,812.22 and 1,435,043.80 is: 1,980,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581,031.80 : 3,561,812.22 = 1,435,043.80 : x
  2. Step 2: Convert to fraction form
    2,581,031.80/3,561,812.22 = 1,435,043.80/x
  3. Step 3: Cross multiply
    2,581,031.80x = 3,561,812.22 × 1,435,043.80
  4. Step 4: Simplify right side
    2,581,031.80x = 5,111,356,543,075.24
  5. Step 5: Solve for x
    x = 5,111,356,543,075.24/2,581,031.80
  6. Step 6: Final answer
    x = 1,980,353.96

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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.