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Finding the Fourth Proportional to 3,589,018.02, 4,952,708.01 and 1,979,386.02

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Solution

The fourth proportional to 3,589,018.02, 4,952,708.01 and 1,979,386.02 is: 2,731,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589,018.02 : 4,952,708.01 = 1,979,386.02 : x
  2. Step 2: Convert to fraction form
    3,589,018.02/4,952,708.01 = 1,979,386.02/x
  3. Step 3: Cross multiply
    3,589,018.02x = 4,952,708.01 × 1,979,386.02
  4. Step 4: Simplify right side
    3,589,018.02x = 9,803,320,996,136.02
  5. Step 5: Solve for x
    x = 9,803,320,996,136.02/3,589,018.02
  6. Step 6: Final answer
    x = 2,731,477.23

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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.