Home / 2,136,658.64-2,948,581.04-1,218,886.13

Finding the Fourth Proportional to 2,136,658.64, 2,948,581.04 and 1,218,886.13

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Solution

The fourth proportional to 2,136,658.64, 2,948,581.04 and 1,218,886.13 is: 1,682,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,658.64 : 2,948,581.04 = 1,218,886.13 : x
  2. Step 2: Convert to fraction form
    2,136,658.64/2,948,581.04 = 1,218,886.13/x
  3. Step 3: Cross multiply
    2,136,658.64x = 2,948,581.04 × 1,218,886.13
  4. Step 4: Simplify right side
    2,136,658.64x = 3,593,984,534,114.00
  5. Step 5: Solve for x
    x = 3,593,984,534,114.00/2,136,658.64
  6. Step 6: Final answer
    x = 1,682,058.37

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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.