Home / 3,907,680.12-5,394,445.56-2,619,362.16

Finding the Fourth Proportional to 3,907,680.12, 5,394,445.56 and 2,619,362.16

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Solution

The fourth proportional to 3,907,680.12, 5,394,445.56 and 2,619,362.16 is: 3,615,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,680.12 : 5,394,445.56 = 2,619,362.16 : x
  2. Step 2: Convert to fraction form
    3,907,680.12/5,394,445.56 = 2,619,362.16/x
  3. Step 3: Cross multiply
    3,907,680.12x = 5,394,445.56 × 2,619,362.16
  4. Step 4: Simplify right side
    3,907,680.12x = 14,130,006,574,044.01
  5. Step 5: Solve for x
    x = 14,130,006,574,044.01/3,907,680.12
  6. Step 6: Final answer
    x = 3,615,957.84

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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.