Home / 2,172,157.48-2,997,720.57-1,254,425.14

Finding the Fourth Proportional to 2,172,157.48, 2,997,720.57 and 1,254,425.14

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Solution

The fourth proportional to 2,172,157.48, 2,997,720.57 and 1,254,425.14 is: 1,731,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,157.48 : 2,997,720.57 = 1,254,425.14 : x
  2. Step 2: Convert to fraction form
    2,172,157.48/2,997,720.57 = 1,254,425.14/x
  3. Step 3: Cross multiply
    2,172,157.48x = 2,997,720.57 × 1,254,425.14
  4. Step 4: Simplify right side
    2,172,157.48x = 3,760,416,045,703.13
  5. Step 5: Solve for x
    x = 3,760,416,045,703.13/2,172,157.48
  6. Step 6: Final answer
    x = 1,731,189.42

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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.