Home / 1,657,605.70-2,486,408.55-1,645,795.90

Finding the Fourth Proportional to 1,657,605.70, 2,486,408.55 and 1,645,795.90

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Solution

The fourth proportional to 1,657,605.70, 2,486,408.55 and 1,645,795.90 is: 2,468,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,605.70 : 2,486,408.55 = 1,645,795.90 : x
  2. Step 2: Convert to fraction form
    1,657,605.70/2,486,408.55 = 1,645,795.90/x
  3. Step 3: Cross multiply
    1,657,605.70x = 2,486,408.55 × 1,645,795.90
  4. Step 4: Simplify right side
    1,657,605.70x = 4,092,120,997,314.94
  5. Step 5: Solve for x
    x = 4,092,120,997,314.94/1,657,605.70
  6. Step 6: Final answer
    x = 2,468,693.85

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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.