Home / 2,018,821.76-2,785,875.73-1,203,007.28

Finding the Fourth Proportional to 2,018,821.76, 2,785,875.73 and 1,203,007.28

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Solution

The fourth proportional to 2,018,821.76, 2,785,875.73 and 1,203,007.28 is: 1,660,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,821.76 : 2,785,875.73 = 1,203,007.28 : x
  2. Step 2: Convert to fraction form
    2,018,821.76/2,785,875.73 = 1,203,007.28/x
  3. Step 3: Cross multiply
    2,018,821.76x = 2,785,875.73 × 1,203,007.28
  4. Step 4: Simplify right side
    2,018,821.76x = 3,351,428,767,428.42
  5. Step 5: Solve for x
    x = 3,351,428,767,428.42/2,018,821.76
  6. Step 6: Final answer
    x = 1,660,091.46

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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.