Home / 1,954,477.80-2,930,841.90-888,971.40

Finding the Fourth Proportional to 1,954,477.80, 2,930,841.90 and 888,971.40

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Solution

The fourth proportional to 1,954,477.80, 2,930,841.90 and 888,971.40 is: 1,333,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,477.80 : 2,930,841.90 = 888,971.40 : x
  2. Step 2: Convert to fraction form
    1,954,477.80/2,930,841.90 = 888,971.40/x
  3. Step 3: Cross multiply
    1,954,477.80x = 2,930,841.90 × 888,971.40
  4. Step 4: Simplify right side
    1,954,477.80x = 2,605,434,627,021.66
  5. Step 5: Solve for x
    x = 2,605,434,627,021.66/1,954,477.80
  6. Step 6: Final answer
    x = 1,333,059.21

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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.