Home / 2,130,588.30-2,940,196.86-1,163,718.84

Finding the Fourth Proportional to 2,130,588.30, 2,940,196.86 and 1,163,718.84

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Solution

The fourth proportional to 2,130,588.30, 2,940,196.86 and 1,163,718.84 is: 1,605,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,588.30 : 2,940,196.86 = 1,163,718.84 : x
  2. Step 2: Convert to fraction form
    2,130,588.30/2,940,196.86 = 1,163,718.84/x
  3. Step 3: Cross multiply
    2,130,588.30x = 2,940,196.86 × 1,163,718.84
  4. Step 4: Simplify right side
    2,130,588.30x = 3,421,562,479,290.84
  5. Step 5: Solve for x
    x = 3,421,562,479,290.84/2,130,588.30
  6. Step 6: Final answer
    x = 1,605,923.81

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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.