Home / 2,859,140.79-3,945,683.21-1,552,448.39

Finding the Fourth Proportional to 2,859,140.79, 3,945,683.21 and 1,552,448.39

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Solution

The fourth proportional to 2,859,140.79, 3,945,683.21 and 1,552,448.39 is: 2,142,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,140.79 : 3,945,683.21 = 1,552,448.39 : x
  2. Step 2: Convert to fraction form
    2,859,140.79/3,945,683.21 = 1,552,448.39/x
  3. Step 3: Cross multiply
    2,859,140.79x = 3,945,683.21 × 1,552,448.39
  4. Step 4: Simplify right side
    2,859,140.79x = 6,125,469,519,323.87
  5. Step 5: Solve for x
    x = 6,125,469,519,323.87/2,859,140.79
  6. Step 6: Final answer
    x = 2,142,416.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.