Home / 2,257,474.20-3,114,427.53-1,290,085.50

Finding the Fourth Proportional to 2,257,474.20, 3,114,427.53 and 1,290,085.50

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Solution

The fourth proportional to 2,257,474.20, 3,114,427.53 and 1,290,085.50 is: 1,779,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,474.20 : 3,114,427.53 = 1,290,085.50 : x
  2. Step 2: Convert to fraction form
    2,257,474.20/3,114,427.53 = 1,290,085.50/x
  3. Step 3: Cross multiply
    2,257,474.20x = 3,114,427.53 × 1,290,085.50
  4. Step 4: Simplify right side
    2,257,474.20x = 4,017,877,797,253.82
  5. Step 5: Solve for x
    x = 4,017,877,797,253.82/2,257,474.20
  6. Step 6: Final answer
    x = 1,779,811.17

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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.