Home / 3,478,164.78-4,799,862.93-1,929,661.26

Finding the Fourth Proportional to 3,478,164.78, 4,799,862.93 and 1,929,661.26

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Solution

The fourth proportional to 3,478,164.78, 4,799,862.93 and 1,929,661.26 is: 2,662,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,164.78 : 4,799,862.93 = 1,929,661.26 : x
  2. Step 2: Convert to fraction form
    3,478,164.78/4,799,862.93 = 1,929,661.26/x
  3. Step 3: Cross multiply
    3,478,164.78x = 4,799,862.93 × 1,929,661.26
  4. Step 4: Simplify right side
    3,478,164.78x = 9,262,109,549,331.09
  5. Step 5: Solve for x
    x = 9,262,109,549,331.09/3,478,164.78
  6. Step 6: Final answer
    x = 2,662,930.06

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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.