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Finding the Fourth Proportional to 1,986,007.02, 2,979,010.38 and 566,026.20

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Solution

The fourth proportional to 1,986,007.02, 2,979,010.38 and 566,026.20 is: 849,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,007.02 : 2,979,010.38 = 566,026.20 : x
  2. Step 2: Convert to fraction form
    1,986,007.02/2,979,010.38 = 566,026.20/x
  3. Step 3: Cross multiply
    1,986,007.02x = 2,979,010.38 × 566,026.20
  4. Step 4: Simplify right side
    1,986,007.02x = 1,686,197,925,151.96
  5. Step 5: Solve for x
    x = 1,686,197,925,151.96/1,986,007.02
  6. Step 6: Final answer
    x = 849,039.26

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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.