Home / 3,432,243-4,719,699.18-2,978,746.68

Finding the Fourth Proportional to 3,432,243, 4,719,699.18 and 2,978,746.68

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Solution

The fourth proportional to 3,432,243, 4,719,699.18 and 2,978,746.68 is: 4,096,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,243 : 4,719,699.18 = 2,978,746.68 : x
  2. Step 2: Convert to fraction form
    3,432,243/4,719,699.18 = 2,978,746.68/x
  3. Step 3: Cross multiply
    3,432,243x = 4,719,699.18 × 2,978,746.68
  4. Step 4: Simplify right side
    3,432,243x = 14,058,788,263,023.72
  5. Step 5: Solve for x
    x = 14,058,788,263,023.72/3,432,243
  6. Step 6: Final answer
    x = 4,096,093.51

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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.