Home / 3,804,807.12-5,250,342.42-2,172,989.22

Finding the Fourth Proportional to 3,804,807.12, 5,250,342.42 and 2,172,989.22

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Solution

The fourth proportional to 3,804,807.12, 5,250,342.42 and 2,172,989.22 is: 2,998,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804,807.12 : 5,250,342.42 = 2,172,989.22 : x
  2. Step 2: Convert to fraction form
    3,804,807.12/5,250,342.42 = 2,172,989.22/x
  3. Step 3: Cross multiply
    3,804,807.12x = 5,250,342.42 × 2,172,989.22
  4. Step 4: Simplify right side
    3,804,807.12x = 11,408,937,479,968.71
  5. Step 5: Solve for x
    x = 11,408,937,479,968.71/3,804,807.12
  6. Step 6: Final answer
    x = 2,998,558.70

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1.5x scale

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.