Home / 2,257,474.95-3,114,428.56-1,290,086.26

Finding the Fourth Proportional to 2,257,474.95, 3,114,428.56 and 1,290,086.26

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Solution

The fourth proportional to 2,257,474.95, 3,114,428.56 and 1,290,086.26 is: 1,779,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,474.95 : 3,114,428.56 = 1,290,086.26 : x
  2. Step 2: Convert to fraction form
    2,257,474.95/3,114,428.56 = 1,290,086.26/x
  3. Step 3: Cross multiply
    2,257,474.95x = 3,114,428.56 × 1,290,086.26
  4. Step 4: Simplify right side
    2,257,474.95x = 4,017,881,481,996.30
  5. Step 5: Solve for x
    x = 4,017,881,481,996.30/2,257,474.95
  6. Step 6: Final answer
    x = 1,779,812.21

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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.