Home / 3,185,480.52-4,395,807.78-1,808,643.72

Finding the Fourth Proportional to 3,185,480.52, 4,395,807.78 and 1,808,643.72

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Solution

The fourth proportional to 3,185,480.52, 4,395,807.78 and 1,808,643.72 is: 2,495,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,480.52 : 4,395,807.78 = 1,808,643.72 : x
  2. Step 2: Convert to fraction form
    3,185,480.52/4,395,807.78 = 1,808,643.72/x
  3. Step 3: Cross multiply
    3,185,480.52x = 4,395,807.78 × 1,808,643.72
  4. Step 4: Simplify right side
    3,185,480.52x = 7,950,450,135,624.14
  5. Step 5: Solve for x
    x = 7,950,450,135,624.14/3,185,480.52
  6. Step 6: Final answer
    x = 2,495,840.14

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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.