Home / 2,339,128.80-3,509,859.60-1,329,026.40

Finding the Fourth Proportional to 2,339,128.80, 3,509,859.60 and 1,329,026.40

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Solution

The fourth proportional to 2,339,128.80, 3,509,859.60 and 1,329,026.40 is: 1,994,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339,128.80 : 3,509,859.60 = 1,329,026.40 : x
  2. Step 2: Convert to fraction form
    2,339,128.80/3,509,859.60 = 1,329,026.40/x
  3. Step 3: Cross multiply
    2,339,128.80x = 3,509,859.60 × 1,329,026.40
  4. Step 4: Simplify right side
    2,339,128.80x = 4,664,696,068,693.44
  5. Step 5: Solve for x
    x = 4,664,696,068,693.44/2,339,128.80
  6. Step 6: Final answer
    x = 1,994,202.32

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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.