Home / 2,167,784.40-2,991,726.26-1,201,217.88

Finding the Fourth Proportional to 2,167,784.40, 2,991,726.26 and 1,201,217.88

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Solution

The fourth proportional to 2,167,784.40, 2,991,726.26 and 1,201,217.88 is: 1,657,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,784.40 : 2,991,726.26 = 1,201,217.88 : x
  2. Step 2: Convert to fraction form
    2,167,784.40/2,991,726.26 = 1,201,217.88/x
  3. Step 3: Cross multiply
    2,167,784.40x = 2,991,726.26 × 1,201,217.88
  4. Step 4: Simplify right side
    2,167,784.40x = 3,593,715,075,577.53
  5. Step 5: Solve for x
    x = 3,593,715,075,577.53/2,167,784.40
  6. Step 6: Final answer
    x = 1,657,782.52

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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.