Home / 3,394,038.40-5,090,942.40-869,718.40

Finding the Fourth Proportional to 3,394,038.40, 5,090,942.40 and 869,718.40

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Solution

The fourth proportional to 3,394,038.40, 5,090,942.40 and 869,718.40 is: 1,304,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,038.40 : 5,090,942.40 = 869,718.40 : x
  2. Step 2: Convert to fraction form
    3,394,038.40/5,090,942.40 = 869,718.40/x
  3. Step 3: Cross multiply
    3,394,038.40x = 5,090,942.40 × 869,718.40
  4. Step 4: Simplify right side
    3,394,038.40x = 4,427,686,278,620.16
  5. Step 5: Solve for x
    x = 4,427,686,278,620.16/3,394,038.40
  6. Step 6: Final answer
    x = 1,304,548.08

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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.