Home / 1,977,607.80-2,729,023-1,118,186.04

Finding the Fourth Proportional to 1,977,607.80, 2,729,023 and 1,118,186.04

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Solution

The fourth proportional to 1,977,607.80, 2,729,023 and 1,118,186.04 is: 1,543,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,607.80 : 2,729,023 = 1,118,186.04 : x
  2. Step 2: Convert to fraction form
    1,977,607.80/2,729,023 = 1,118,186.04/x
  3. Step 3: Cross multiply
    1,977,607.80x = 2,729,023 × 1,118,186.04
  4. Step 4: Simplify right side
    1,977,607.80x = 3,051,555,421,438.92
  5. Step 5: Solve for x
    x = 3,051,555,421,438.92/1,977,607.80
  6. Step 6: Final answer
    x = 1,543,053.90

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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.