Home / 2,778,788.16-4,168,104.48-885,643.20

Finding the Fourth Proportional to 2,778,788.16, 4,168,104.48 and 885,643.20

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Solution

The fourth proportional to 2,778,788.16, 4,168,104.48 and 885,643.20 is: 1,328,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,788.16 : 4,168,104.48 = 885,643.20 : x
  2. Step 2: Convert to fraction form
    2,778,788.16/4,168,104.48 = 885,643.20/x
  3. Step 3: Cross multiply
    2,778,788.16x = 4,168,104.48 × 885,643.20
  4. Step 4: Simplify right side
    2,778,788.16x = 3,691,453,389,601.54
  5. Step 5: Solve for x
    x = 3,691,453,389,601.54/2,778,788.16
  6. Step 6: Final answer
    x = 1,328,440.02

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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.