Home / 2,085,780-2,878,376.40-1,131,924

Finding the Fourth Proportional to 2,085,780, 2,878,376.40 and 1,131,924

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Solution

The fourth proportional to 2,085,780, 2,878,376.40 and 1,131,924 is: 1,562,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,780 : 2,878,376.40 = 1,131,924 : x
  2. Step 2: Convert to fraction form
    2,085,780/2,878,376.40 = 1,131,924/x
  3. Step 3: Cross multiply
    2,085,780x = 2,878,376.40 × 1,131,924
  4. Step 4: Simplify right side
    2,085,780x = 3,258,103,328,193.60
  5. Step 5: Solve for x
    x = 3,258,103,328,193.60/2,085,780
  6. Step 6: Final answer
    x = 1,562,055.12

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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.