Home / 2,238,186.80-3,360,779.40-1,293,402.80

Finding the Fourth Proportional to 2,238,186.80, 3,360,779.40 and 1,293,402.80

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Solution

The fourth proportional to 2,238,186.80, 3,360,779.40 and 1,293,402.80 is: 1,942,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,186.80 : 3,360,779.40 = 1,293,402.80 : x
  2. Step 2: Convert to fraction form
    2,238,186.80/3,360,779.40 = 1,293,402.80/x
  3. Step 3: Cross multiply
    2,238,186.80x = 3,360,779.40 × 1,293,402.80
  4. Step 4: Simplify right side
    2,238,186.80x = 4,346,841,486,142.32
  5. Step 5: Solve for x
    x = 4,346,841,486,142.32/2,238,186.80
  6. Step 6: Final answer
    x = 1,942,126.32

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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.