Home / 1,977,633.79-2,729,192.20-1,118,175.59

Finding the Fourth Proportional to 1,977,633.79, 2,729,192.20 and 1,118,175.59

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Solution

The fourth proportional to 1,977,633.79, 2,729,192.20 and 1,118,175.59 is: 1,543,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,633.79 : 2,729,192.20 = 1,118,175.59 : x
  2. Step 2: Convert to fraction form
    1,977,633.79/2,729,192.20 = 1,118,175.59/x
  3. Step 3: Cross multiply
    1,977,633.79x = 2,729,192.20 × 1,118,175.59
  4. Step 4: Simplify right side
    1,977,633.79x = 3,051,716,098,458.40
  5. Step 5: Solve for x
    x = 3,051,716,098,458.40/1,977,633.79
  6. Step 6: Final answer
    x = 1,543,114.86

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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.