Home / 1,564,143.36-2,159,562.72-1,054,659.84

Finding the Fourth Proportional to 1,564,143.36, 2,159,562.72 and 1,054,659.84

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Solution

The fourth proportional to 1,564,143.36, 2,159,562.72 and 1,054,659.84 is: 1,456,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,143.36 : 2,159,562.72 = 1,054,659.84 : x
  2. Step 2: Convert to fraction form
    1,564,143.36/2,159,562.72 = 1,054,659.84/x
  3. Step 3: Cross multiply
    1,564,143.36x = 2,159,562.72 × 1,054,659.84
  4. Step 4: Simplify right side
    1,564,143.36x = 2,277,604,072,745.17
  5. Step 5: Solve for x
    x = 2,277,604,072,745.17/1,564,143.36
  6. Step 6: Final answer
    x = 1,456,135.12

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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.