Home / 3,429,021.60-5,138,283.60-3,240,064.80

Finding the Fourth Proportional to 3,429,021.60, 5,138,283.60 and 3,240,064.80

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Solution

The fourth proportional to 3,429,021.60, 5,138,283.60 and 3,240,064.80 is: 4,855,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,021.60 : 5,138,283.60 = 3,240,064.80 : x
  2. Step 2: Convert to fraction form
    3,429,021.60/5,138,283.60 = 3,240,064.80/x
  3. Step 3: Cross multiply
    3,429,021.60x = 5,138,283.60 × 3,240,064.80
  4. Step 4: Simplify right side
    3,429,021.60x = 16,648,371,824,777.28
  5. Step 5: Solve for x
    x = 16,648,371,824,777.28/3,429,021.60
  6. Step 6: Final answer
    x = 4,855,137.64

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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.