Home / 2,101,933.80-2,901,140.80-1,376,360.12

Finding the Fourth Proportional to 2,101,933.80, 2,901,140.80 and 1,376,360.12

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Solution

The fourth proportional to 2,101,933.80, 2,901,140.80 and 1,376,360.12 is: 1,899,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,933.80 : 2,901,140.80 = 1,376,360.12 : x
  2. Step 2: Convert to fraction form
    2,101,933.80/2,901,140.80 = 1,376,360.12/x
  3. Step 3: Cross multiply
    2,101,933.80x = 2,901,140.80 × 1,376,360.12
  4. Step 4: Simplify right side
    2,101,933.80x = 3,993,014,499,624.90
  5. Step 5: Solve for x
    x = 3,993,014,499,624.90/2,101,933.80
  6. Step 6: Final answer
    x = 1,899,686.14

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1.5x scale

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.