Home / 2,136,660.31-2,948,479.23-1,169,605.36

Finding the Fourth Proportional to 2,136,660.31, 2,948,479.23 and 1,169,605.36

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Solution

The fourth proportional to 2,136,660.31, 2,948,479.23 and 1,169,605.36 is: 1,613,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,660.31 : 2,948,479.23 = 1,169,605.36 : x
  2. Step 2: Convert to fraction form
    2,136,660.31/2,948,479.23 = 1,169,605.36/x
  3. Step 3: Cross multiply
    2,136,660.31x = 2,948,479.23 × 1,169,605.36
  4. Step 4: Simplify right side
    2,136,660.31x = 3,448,557,103,885.47
  5. Step 5: Solve for x
    x = 3,448,557,103,885.47/2,136,660.31
  6. Step 6: Final answer
    x = 1,613,994.09

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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.