Home / 2,196,409.80-3,291,990.30-1,130,903.40

Finding the Fourth Proportional to 2,196,409.80, 3,291,990.30 and 1,130,903.40

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Solution

The fourth proportional to 2,196,409.80, 3,291,990.30 and 1,130,903.40 is: 1,695,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,409.80 : 3,291,990.30 = 1,130,903.40 : x
  2. Step 2: Convert to fraction form
    2,196,409.80/3,291,990.30 = 1,130,903.40/x
  3. Step 3: Cross multiply
    2,196,409.80x = 3,291,990.30 × 1,130,903.40
  4. Step 4: Simplify right side
    2,196,409.80x = 3,722,923,023,037.02
  5. Step 5: Solve for x
    x = 3,722,923,023,037.02/2,196,409.80
  6. Step 6: Final answer
    x = 1,695,003.83

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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.