Home / 6,876,577.60-9,489,106.72-3,778,938.08

Finding the Fourth Proportional to 6,876,577.60, 9,489,106.72 and 3,778,938.08

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Solution

The fourth proportional to 6,876,577.60, 9,489,106.72 and 3,778,938.08 is: 5,214,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,577.60 : 9,489,106.72 = 3,778,938.08 : x
  2. Step 2: Convert to fraction form
    6,876,577.60/9,489,106.72 = 3,778,938.08/x
  3. Step 3: Cross multiply
    6,876,577.60x = 9,489,106.72 × 3,778,938.08
  4. Step 4: Simplify right side
    6,876,577.60x = 35,858,746,729,391.90
  5. Step 5: Solve for x
    x = 35,858,746,729,391.90/6,876,577.60
  6. Step 6: Final answer
    x = 5,214,621.11

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1.5x scale

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.