Home / 3,985,554.78-5,498,482.50-2,455,004.70

Finding the Fourth Proportional to 3,985,554.78, 5,498,482.50 and 2,455,004.70

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Solution

The fourth proportional to 3,985,554.78, 5,498,482.50 and 2,455,004.70 is: 3,386,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,554.78 : 5,498,482.50 = 2,455,004.70 : x
  2. Step 2: Convert to fraction form
    3,985,554.78/5,498,482.50 = 2,455,004.70/x
  3. Step 3: Cross multiply
    3,985,554.78x = 5,498,482.50 × 2,455,004.70
  4. Step 4: Simplify right side
    3,985,554.78x = 13,498,800,380,367.75
  5. Step 5: Solve for x
    x = 13,498,800,380,367.75/3,985,554.78
  6. Step 6: Final answer
    x = 3,386,931.34

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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.