Home / 2,809,667.16-3,877,340.40-1,520,507.34

Finding the Fourth Proportional to 2,809,667.16, 3,877,340.40 and 1,520,507.34

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Solution

The fourth proportional to 2,809,667.16, 3,877,340.40 and 1,520,507.34 is: 2,098,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,667.16 : 3,877,340.40 = 1,520,507.34 : x
  2. Step 2: Convert to fraction form
    2,809,667.16/3,877,340.40 = 1,520,507.34/x
  3. Step 3: Cross multiply
    2,809,667.16x = 3,877,340.40 × 1,520,507.34
  4. Step 4: Simplify right side
    2,809,667.16x = 5,895,524,537,878.54
  5. Step 5: Solve for x
    x = 5,895,524,537,878.54/2,809,667.16
  6. Step 6: Final answer
    x = 2,098,299.98

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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.