Home / 2,856,648.39-4,282,450.28-2,185,724.90

Finding the Fourth Proportional to 2,856,648.39, 4,282,450.28 and 2,185,724.90

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Solution

The fourth proportional to 2,856,648.39, 4,282,450.28 and 2,185,724.90 is: 3,276,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,648.39 : 4,282,450.28 = 2,185,724.90 : x
  2. Step 2: Convert to fraction form
    2,856,648.39/4,282,450.28 = 2,185,724.90/x
  3. Step 3: Cross multiply
    2,856,648.39x = 4,282,450.28 × 2,185,724.90
  4. Step 4: Simplify right side
    2,856,648.39x = 9,360,258,226,178.41
  5. Step 5: Solve for x
    x = 9,360,258,226,178.41/2,856,648.39
  6. Step 6: Final answer
    x = 3,276,657.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.