Home / 3,878,503.37-5,352,284.40-2,136,139.61

Finding the Fourth Proportional to 3,878,503.37, 5,352,284.40 and 2,136,139.61

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Solution

The fourth proportional to 3,878,503.37, 5,352,284.40 and 2,136,139.61 is: 2,947,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,503.37 : 5,352,284.40 = 2,136,139.61 : x
  2. Step 2: Convert to fraction form
    3,878,503.37/5,352,284.40 = 2,136,139.61/x
  3. Step 3: Cross multiply
    3,878,503.37x = 5,352,284.40 × 2,136,139.61
  4. Step 4: Simplify right side
    3,878,503.37x = 11,433,226,686,583.68
  5. Step 5: Solve for x
    x = 11,433,226,686,583.68/3,878,503.37
  6. Step 6: Final answer
    x = 2,947,844.98

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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.