Home / 2,105,358.56-2,905,329.28-1,187,573.98

Finding the Fourth Proportional to 2,105,358.56, 2,905,329.28 and 1,187,573.98

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Solution

The fourth proportional to 2,105,358.56, 2,905,329.28 and 1,187,573.98 is: 1,638,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,358.56 : 2,905,329.28 = 1,187,573.98 : x
  2. Step 2: Convert to fraction form
    2,105,358.56/2,905,329.28 = 1,187,573.98/x
  3. Step 3: Cross multiply
    2,105,358.56x = 2,905,329.28 × 1,187,573.98
  4. Step 4: Simplify right side
    2,105,358.56x = 3,450,293,456,260.13
  5. Step 5: Solve for x
    x = 3,450,293,456,260.13/2,105,358.56
  6. Step 6: Final answer
    x = 1,638,815.13

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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.