Home / 2,567,749.86-3,543,469.34-1,390,343.18

Finding the Fourth Proportional to 2,567,749.86, 3,543,469.34 and 1,390,343.18

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Solution

The fourth proportional to 2,567,749.86, 3,543,469.34 and 1,390,343.18 is: 1,918,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,749.86 : 3,543,469.34 = 1,390,343.18 : x
  2. Step 2: Convert to fraction form
    2,567,749.86/3,543,469.34 = 1,390,343.18/x
  3. Step 3: Cross multiply
    2,567,749.86x = 3,543,469.34 × 1,390,343.18
  4. Step 4: Simplify right side
    2,567,749.86x = 4,926,638,430,408.10
  5. Step 5: Solve for x
    x = 4,926,638,430,408.10/2,567,749.86
  6. Step 6: Final answer
    x = 1,918,659.80

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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.