Home / 2,398,904.79-3,310,397.82-1,311,167.40

Finding the Fourth Proportional to 2,398,904.79, 3,310,397.82 and 1,311,167.40

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Solution

The fourth proportional to 2,398,904.79, 3,310,397.82 and 1,311,167.40 is: 1,809,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,904.79 : 3,310,397.82 = 1,311,167.40 : x
  2. Step 2: Convert to fraction form
    2,398,904.79/3,310,397.82 = 1,311,167.40/x
  3. Step 3: Cross multiply
    2,398,904.79x = 3,310,397.82 × 1,311,167.40
  4. Step 4: Simplify right side
    2,398,904.79x = 4,340,485,702,615.07
  5. Step 5: Solve for x
    x = 4,340,485,702,615.07/2,398,904.79
  6. Step 6: Final answer
    x = 1,809,361.39

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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.