Home / 2,809,667.18-3,877,352.93-1,520,507.68

Finding the Fourth Proportional to 2,809,667.18, 3,877,352.93 and 1,520,507.68

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Solution

The fourth proportional to 2,809,667.18, 3,877,352.93 and 1,520,507.68 is: 2,098,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,667.18 : 3,877,352.93 = 1,520,507.68 : x
  2. Step 2: Convert to fraction form
    2,809,667.18/3,877,352.93 = 1,520,507.68/x
  3. Step 3: Cross multiply
    2,809,667.18x = 3,877,352.93 × 1,520,507.68
  4. Step 4: Simplify right side
    2,809,667.18x = 5,895,544,905,379.65
  5. Step 5: Solve for x
    x = 5,895,544,905,379.65/2,809,667.18
  6. Step 6: Final answer
    x = 2,098,307.21

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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.