Home / 3,228,896.61-4,455,856.56-1,778,558.40

Finding the Fourth Proportional to 3,228,896.61, 4,455,856.56 and 1,778,558.40

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Solution

The fourth proportional to 3,228,896.61, 4,455,856.56 and 1,778,558.40 is: 2,454,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,896.61 : 4,455,856.56 = 1,778,558.40 : x
  2. Step 2: Convert to fraction form
    3,228,896.61/4,455,856.56 = 1,778,558.40/x
  3. Step 3: Cross multiply
    3,228,896.61x = 4,455,856.56 × 1,778,558.40
  4. Step 4: Simplify right side
    3,228,896.61x = 7,925,001,113,983.10
  5. Step 5: Solve for x
    x = 7,925,001,113,983.10/3,228,896.61
  6. Step 6: Final answer
    x = 2,454,399.16

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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.