Home / 1,986,069.59-2,978,661.07-920,973.26

Finding the Fourth Proportional to 1,986,069.59, 2,978,661.07 and 920,973.26

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Solution

The fourth proportional to 1,986,069.59, 2,978,661.07 and 920,973.26 is: 1,381,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,069.59 : 2,978,661.07 = 920,973.26 : x
  2. Step 2: Convert to fraction form
    1,986,069.59/2,978,661.07 = 920,973.26/x
  3. Step 3: Cross multiply
    1,986,069.59x = 2,978,661.07 × 920,973.26
  4. Step 4: Simplify right side
    1,986,069.59x = 2,743,267,178,877.25
  5. Step 5: Solve for x
    x = 2,743,267,178,877.25/1,986,069.59
  6. Step 6: Final answer
    x = 1,381,254.31

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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.