Home / 2,258,136.23-3,116,274.31-1,278,075.25

Finding the Fourth Proportional to 2,258,136.23, 3,116,274.31 and 1,278,075.25

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Solution

The fourth proportional to 2,258,136.23, 3,116,274.31 and 1,278,075.25 is: 1,763,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,136.23 : 3,116,274.31 = 1,278,075.25 : x
  2. Step 2: Convert to fraction form
    2,258,136.23/3,116,274.31 = 1,278,075.25/x
  3. Step 3: Cross multiply
    2,258,136.23x = 3,116,274.31 × 1,278,075.25
  4. Step 4: Simplify right side
    2,258,136.23x = 3,982,833,045,850.08
  5. Step 5: Solve for x
    x = 3,982,833,045,850.08/2,258,136.23
  6. Step 6: Final answer
    x = 1,763,770.05

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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.