Home / 2,864,254.16-3,954,536.72-1,778,121.60

Finding the Fourth Proportional to 2,864,254.16, 3,954,536.72 and 1,778,121.60

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Solution

The fourth proportional to 2,864,254.16, 3,954,536.72 and 1,778,121.60 is: 2,454,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864,254.16 : 3,954,536.72 = 1,778,121.60 : x
  2. Step 2: Convert to fraction form
    2,864,254.16/3,954,536.72 = 1,778,121.60/x
  3. Step 3: Cross multiply
    2,864,254.16x = 3,954,536.72 × 1,778,121.60
  4. Step 4: Simplify right side
    2,864,254.16x = 7,031,647,159,825.15
  5. Step 5: Solve for x
    x = 7,031,647,159,825.15/2,864,254.16
  6. Step 6: Final answer
    x = 2,454,966.20

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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.