Home / 2,988,223.66-4,123,332.70-1,698,921.56

Finding the Fourth Proportional to 2,988,223.66, 4,123,332.70 and 1,698,921.56

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Solution

The fourth proportional to 2,988,223.66, 4,123,332.70 and 1,698,921.56 is: 2,344,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,223.66 : 4,123,332.70 = 1,698,921.56 : x
  2. Step 2: Convert to fraction form
    2,988,223.66/4,123,332.70 = 1,698,921.56/x
  3. Step 3: Cross multiply
    2,988,223.66x = 4,123,332.70 × 1,698,921.56
  4. Step 4: Simplify right side
    2,988,223.66x = 7,005,218,823,083.01
  5. Step 5: Solve for x
    x = 7,005,218,823,083.01/2,988,223.66
  6. Step 6: Final answer
    x = 2,344,275.27

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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.