Home / 3,781,692.56-5,672,588.05-1,257,347.81

Finding the Fourth Proportional to 3,781,692.56, 5,672,588.05 and 1,257,347.81

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Solution

The fourth proportional to 3,781,692.56, 5,672,588.05 and 1,257,347.81 is: 1,886,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,692.56 : 5,672,588.05 = 1,257,347.81 : x
  2. Step 2: Convert to fraction form
    3,781,692.56/5,672,588.05 = 1,257,347.81/x
  3. Step 3: Cross multiply
    3,781,692.56x = 5,672,588.05 × 1,257,347.81
  4. Step 4: Simplify right side
    3,781,692.56x = 7,132,416,177,452.83
  5. Step 5: Solve for x
    x = 7,132,416,177,452.83/3,781,692.56
  6. Step 6: Final answer
    x = 1,886,038.08

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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.