Home / 2,114,638.45-2,918,122.86-1,147,748.13

Finding the Fourth Proportional to 2,114,638.45, 2,918,122.86 and 1,147,748.13

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Solution

The fourth proportional to 2,114,638.45, 2,918,122.86 and 1,147,748.13 is: 1,583,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,638.45 : 2,918,122.86 = 1,147,748.13 : x
  2. Step 2: Convert to fraction form
    2,114,638.45/2,918,122.86 = 1,147,748.13/x
  3. Step 3: Cross multiply
    2,114,638.45x = 2,918,122.86 × 1,147,748.13
  4. Step 4: Simplify right side
    2,114,638.45x = 3,349,270,055,675.25
  5. Step 5: Solve for x
    x = 3,349,270,055,675.25/2,114,638.45
  6. Step 6: Final answer
    x = 1,583,849.97

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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.