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Finding the Fourth Proportional to 3,978,031.68, 5,967,938.88 and 1,453,622.40

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Solution

The fourth proportional to 3,978,031.68, 5,967,938.88 and 1,453,622.40 is: 2,180,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,031.68 : 5,967,938.88 = 1,453,622.40 : x
  2. Step 2: Convert to fraction form
    3,978,031.68/5,967,938.88 = 1,453,622.40/x
  3. Step 3: Cross multiply
    3,978,031.68x = 5,967,938.88 × 1,453,622.40
  4. Step 4: Simplify right side
    3,978,031.68x = 8,675,129,637,798.91
  5. Step 5: Solve for x
    x = 8,675,129,637,798.91/3,978,031.68
  6. Step 6: Final answer
    x = 2,180,759.31

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