Home / 3,928,028.42-5,892,045.93-1,878,206.69

Finding the Fourth Proportional to 3,928,028.42, 5,892,045.93 and 1,878,206.69

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Solution

The fourth proportional to 3,928,028.42, 5,892,045.93 and 1,878,206.69 is: 2,817,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,028.42 : 5,892,045.93 = 1,878,206.69 : x
  2. Step 2: Convert to fraction form
    3,928,028.42/5,892,045.93 = 1,878,206.69/x
  3. Step 3: Cross multiply
    3,928,028.42x = 5,892,045.93 × 1,878,206.69
  4. Step 4: Simplify right side
    3,928,028.42x = 11,066,480,054,053.04
  5. Step 5: Solve for x
    x = 11,066,480,054,053.04/3,928,028.42
  6. Step 6: Final answer
    x = 2,817,311.61

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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.