Home / 3,905,828.10-5,858,742.15-3,289,968.90

Finding the Fourth Proportional to 3,905,828.10, 5,858,742.15 and 3,289,968.90

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Solution

The fourth proportional to 3,905,828.10, 5,858,742.15 and 3,289,968.90 is: 4,934,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,828.10 : 5,858,742.15 = 3,289,968.90 : x
  2. Step 2: Convert to fraction form
    3,905,828.10/5,858,742.15 = 3,289,968.90/x
  3. Step 3: Cross multiply
    3,905,828.10x = 5,858,742.15 × 3,289,968.90
  4. Step 4: Simplify right side
    3,905,828.10x = 19,275,079,466,619.14
  5. Step 5: Solve for x
    x = 19,275,079,466,619.14/3,905,828.10
  6. Step 6: Final answer
    x = 4,934,953.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.