Home / 2,100,472.41-2,899,294.51-1,229,510.82

Finding the Fourth Proportional to 2,100,472.41, 2,899,294.51 and 1,229,510.82

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Solution

The fourth proportional to 2,100,472.41, 2,899,294.51 and 1,229,510.82 is: 1,697,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,472.41 : 2,899,294.51 = 1,229,510.82 : x
  2. Step 2: Convert to fraction form
    2,100,472.41/2,899,294.51 = 1,229,510.82/x
  3. Step 3: Cross multiply
    2,100,472.41x = 2,899,294.51 × 1,229,510.82
  4. Step 4: Simplify right side
    2,100,472.41x = 3,564,713,972,361.24
  5. Step 5: Solve for x
    x = 3,564,713,972,361.24/2,100,472.41
  6. Step 6: Final answer
    x = 1,697,101.07

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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.