Home / 2,219,208.90-3,325,870.50-1,139,677.80

Finding the Fourth Proportional to 2,219,208.90, 3,325,870.50 and 1,139,677.80

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Solution

The fourth proportional to 2,219,208.90, 3,325,870.50 and 1,139,677.80 is: 1,708,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,208.90 : 3,325,870.50 = 1,139,677.80 : x
  2. Step 2: Convert to fraction form
    2,219,208.90/3,325,870.50 = 1,139,677.80/x
  3. Step 3: Cross multiply
    2,219,208.90x = 3,325,870.50 × 1,139,677.80
  4. Step 4: Simplify right side
    2,219,208.90x = 3,790,420,774,524.90
  5. Step 5: Solve for x
    x = 3,790,420,774,524.90/2,219,208.90
  6. Step 6: Final answer
    x = 1,708,005.40

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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.