Home / 1,973,642.88-2,723,693.12-1,209,548.80

Finding the Fourth Proportional to 1,973,642.88, 2,723,693.12 and 1,209,548.80

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Solution

The fourth proportional to 1,973,642.88, 2,723,693.12 and 1,209,548.80 is: 1,669,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,642.88 : 2,723,693.12 = 1,209,548.80 : x
  2. Step 2: Convert to fraction form
    1,973,642.88/2,723,693.12 = 1,209,548.80/x
  3. Step 3: Cross multiply
    1,973,642.88x = 2,723,693.12 × 1,209,548.80
  4. Step 4: Simplify right side
    1,973,642.88x = 3,294,439,744,864.26
  5. Step 5: Solve for x
    x = 3,294,439,744,864.26/1,973,642.88
  6. Step 6: Final answer
    x = 1,669,217.76

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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.