Home / 2,105,824.41-2,906,038.13-1,188,248.31

Finding the Fourth Proportional to 2,105,824.41, 2,906,038.13 and 1,188,248.31

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Solution

The fourth proportional to 2,105,824.41, 2,906,038.13 and 1,188,248.31 is: 1,639,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,824.41 : 2,906,038.13 = 1,188,248.31 : x
  2. Step 2: Convert to fraction form
    2,105,824.41/2,906,038.13 = 1,188,248.31/x
  3. Step 3: Cross multiply
    2,105,824.41x = 2,906,038.13 × 1,188,248.31
  4. Step 4: Simplify right side
    2,105,824.41x = 3,453,094,896,768.06
  5. Step 5: Solve for x
    x = 3,453,094,896,768.06/2,105,824.41
  6. Step 6: Final answer
    x = 1,639,782.92

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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.