Home / 3,419,007.30-5,128,510.95-2,621,845.80

Finding the Fourth Proportional to 3,419,007.30, 5,128,510.95 and 2,621,845.80

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Solution

The fourth proportional to 3,419,007.30, 5,128,510.95 and 2,621,845.80 is: 3,932,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,007.30 : 5,128,510.95 = 2,621,845.80 : x
  2. Step 2: Convert to fraction form
    3,419,007.30/5,128,510.95 = 2,621,845.80/x
  3. Step 3: Cross multiply
    3,419,007.30x = 5,128,510.95 × 2,621,845.80
  4. Step 4: Simplify right side
    3,419,007.30x = 13,446,164,894,511.51
  5. Step 5: Solve for x
    x = 13,446,164,894,511.51/3,419,007.30
  6. Step 6: Final answer
    x = 3,932,768.70

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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.