Home / 5,278,746.45-7,282,977.21-2,955,297.51

Finding the Fourth Proportional to 5,278,746.45, 7,282,977.21 and 2,955,297.51

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Solution

The fourth proportional to 5,278,746.45, 7,282,977.21 and 2,955,297.51 is: 4,077,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,746.45 : 7,282,977.21 = 2,955,297.51 : x
  2. Step 2: Convert to fraction form
    5,278,746.45/7,282,977.21 = 2,955,297.51/x
  3. Step 3: Cross multiply
    5,278,746.45x = 7,282,977.21 × 2,955,297.51
  4. Step 4: Simplify right side
    5,278,746.45x = 21,523,364,414,099.75
  5. Step 5: Solve for x
    x = 21,523,364,414,099.75/5,278,746.45
  6. Step 6: Final answer
    x = 4,077,362.80

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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.