Home / 3,191,265-4,403,945.70-2,045,345.34

Finding the Fourth Proportional to 3,191,265, 4,403,945.70 and 2,045,345.34

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Solution

The fourth proportional to 3,191,265, 4,403,945.70 and 2,045,345.34 is: 2,822,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,265 : 4,403,945.70 = 2,045,345.34 : x
  2. Step 2: Convert to fraction form
    3,191,265/4,403,945.70 = 2,045,345.34/x
  3. Step 3: Cross multiply
    3,191,265x = 4,403,945.70 × 2,045,345.34
  4. Step 4: Simplify right side
    3,191,265x = 9,007,589,831,622.83
  5. Step 5: Solve for x
    x = 9,007,589,831,622.83/3,191,265
  6. Step 6: Final answer
    x = 2,822,576.57

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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.