Home / 2,113,205.40-3,169,808.10-1,400,923.80

Finding the Fourth Proportional to 2,113,205.40, 3,169,808.10 and 1,400,923.80

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Solution

The fourth proportional to 2,113,205.40, 3,169,808.10 and 1,400,923.80 is: 2,101,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,205.40 : 3,169,808.10 = 1,400,923.80 : x
  2. Step 2: Convert to fraction form
    2,113,205.40/3,169,808.10 = 1,400,923.80/x
  3. Step 3: Cross multiply
    2,113,205.40x = 3,169,808.10 × 1,400,923.80
  4. Step 4: Simplify right side
    2,113,205.40x = 4,440,659,608,722.78
  5. Step 5: Solve for x
    x = 4,440,659,608,722.78/2,113,205.40
  6. Step 6: Final answer
    x = 2,101,385.70

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1.5x scale

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.