Home / 3,432,242-4,719,697.80-2,978,745.68

Finding the Fourth Proportional to 3,432,242, 4,719,697.80 and 2,978,745.68

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Solution

The fourth proportional to 3,432,242, 4,719,697.80 and 2,978,745.68 is: 4,096,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,242 : 4,719,697.80 = 2,978,745.68 : x
  2. Step 2: Convert to fraction form
    3,432,242/4,719,697.80 = 2,978,745.68/x
  3. Step 3: Cross multiply
    3,432,242x = 4,719,697.80 × 2,978,745.68
  4. Step 4: Simplify right side
    3,432,242x = 14,058,779,432,655.50
  5. Step 5: Solve for x
    x = 14,058,779,432,655.50/3,432,242
  6. Step 6: Final answer
    x = 4,096,092.13

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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.