Home / 2,257,475.70-3,114,429.60-1,290,087

Finding the Fourth Proportional to 2,257,475.70, 3,114,429.60 and 1,290,087

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Solution

The fourth proportional to 2,257,475.70, 3,114,429.60 and 1,290,087 is: 1,779,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,475.70 : 3,114,429.60 = 1,290,087 : x
  2. Step 2: Convert to fraction form
    2,257,475.70/3,114,429.60 = 1,290,087/x
  3. Step 3: Cross multiply
    2,257,475.70x = 3,114,429.60 × 1,290,087
  4. Step 4: Simplify right side
    2,257,475.70x = 4,017,885,139,375.20
  5. Step 5: Solve for x
    x = 4,017,885,139,375.20/2,257,475.70
  6. Step 6: Final answer
    x = 1,779,813.24

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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.