Home / 3,768,051.20-5,643,782.40-2,640,012.80

Finding the Fourth Proportional to 3,768,051.20, 5,643,782.40 and 2,640,012.80

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Solution

The fourth proportional to 3,768,051.20, 5,643,782.40 and 2,640,012.80 is: 3,954,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,051.20 : 5,643,782.40 = 2,640,012.80 : x
  2. Step 2: Convert to fraction form
    3,768,051.20/5,643,782.40 = 2,640,012.80/x
  3. Step 3: Cross multiply
    3,768,051.20x = 5,643,782.40 × 2,640,012.80
  4. Step 4: Simplify right side
    3,768,051.20x = 14,899,657,776,414.72
  5. Step 5: Solve for x
    x = 14,899,657,776,414.72/3,768,051.20
  6. Step 6: Final answer
    x = 3,954,207.89

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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.