Home / 2,221,611.90-3,114,455.70-2,221,611.90

Finding the Fourth Proportional to 2,221,611.90, 3,114,455.70 and 2,221,611.90

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Solution

The fourth proportional to 2,221,611.90, 3,114,455.70 and 2,221,611.90 is: 3,114,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,611.90 : 3,114,455.70 = 2,221,611.90 : x
  2. Step 2: Convert to fraction form
    2,221,611.90/3,114,455.70 = 2,221,611.90/x
  3. Step 3: Cross multiply
    2,221,611.90x = 3,114,455.70 × 2,221,611.90
  4. Step 4: Simplify right side
    2,221,611.90x = 6,919,111,845,142.83
  5. Step 5: Solve for x
    x = 6,919,111,845,142.83/2,221,611.90
  6. Step 6: Final answer
    x = 3,114,455.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.