Home / 2,643,938.78-3,648,689.44-1,436,792.54

Finding the Fourth Proportional to 2,643,938.78, 3,648,689.44 and 1,436,792.54

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Solution

The fourth proportional to 2,643,938.78, 3,648,689.44 and 1,436,792.54 is: 1,982,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,938.78 : 3,648,689.44 = 1,436,792.54 : x
  2. Step 2: Convert to fraction form
    2,643,938.78/3,648,689.44 = 1,436,792.54/x
  3. Step 3: Cross multiply
    2,643,938.78x = 3,648,689.44 × 1,436,792.54
  4. Step 4: Simplify right side
    2,643,938.78x = 5,242,409,768,168.78
  5. Step 5: Solve for x
    x = 5,242,409,768,168.78/2,643,938.78
  6. Step 6: Final answer
    x = 1,982,803.01

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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.