Home / 3,824,320.40-5,736,480.60-2,123,709.20

Finding the Fourth Proportional to 3,824,320.40, 5,736,480.60 and 2,123,709.20

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Solution

The fourth proportional to 3,824,320.40, 5,736,480.60 and 2,123,709.20 is: 3,185,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824,320.40 : 5,736,480.60 = 2,123,709.20 : x
  2. Step 2: Convert to fraction form
    3,824,320.40/5,736,480.60 = 2,123,709.20/x
  3. Step 3: Cross multiply
    3,824,320.40x = 5,736,480.60 × 2,123,709.20
  4. Step 4: Simplify right side
    3,824,320.40x = 12,182,616,625,841.52
  5. Step 5: Solve for x
    x = 12,182,616,625,841.52/3,824,320.40
  6. Step 6: Final answer
    x = 3,185,563.80

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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.