Home / 2,690,417.88-4,032,845.64-1,249,926.12

Finding the Fourth Proportional to 2,690,417.88, 4,032,845.64 and 1,249,926.12

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Solution

The fourth proportional to 2,690,417.88, 4,032,845.64 and 1,249,926.12 is: 1,873,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,417.88 : 4,032,845.64 = 1,249,926.12 : x
  2. Step 2: Convert to fraction form
    2,690,417.88/4,032,845.64 = 1,249,926.12/x
  3. Step 3: Cross multiply
    2,690,417.88x = 4,032,845.64 × 1,249,926.12
  4. Step 4: Simplify right side
    2,690,417.88x = 5,040,759,103,364.12
  5. Step 5: Solve for x
    x = 5,040,759,103,364.12/2,690,417.88
  6. Step 6: Final answer
    x = 1,873,597.09

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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.