Home / 2,657,231.80-3,985,847.70-1,948,643.80

Finding the Fourth Proportional to 2,657,231.80, 3,985,847.70 and 1,948,643.80

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Solution

The fourth proportional to 2,657,231.80, 3,985,847.70 and 1,948,643.80 is: 2,922,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,231.80 : 3,985,847.70 = 1,948,643.80 : x
  2. Step 2: Convert to fraction form
    2,657,231.80/3,985,847.70 = 1,948,643.80/x
  3. Step 3: Cross multiply
    2,657,231.80x = 3,985,847.70 × 1,948,643.80
  4. Step 4: Simplify right side
    2,657,231.80x = 7,766,997,408,349.26
  5. Step 5: Solve for x
    x = 7,766,997,408,349.26/2,657,231.80
  6. Step 6: Final answer
    x = 2,922,965.70

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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.