Home / 2,130,195.42-2,939,693.07-1,163,354.16

Finding the Fourth Proportional to 2,130,195.42, 2,939,693.07 and 1,163,354.16

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Solution

The fourth proportional to 2,130,195.42, 2,939,693.07 and 1,163,354.16 is: 1,605,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,195.42 : 2,939,693.07 = 1,163,354.16 : x
  2. Step 2: Convert to fraction form
    2,130,195.42/2,939,693.07 = 1,163,354.16/x
  3. Step 3: Cross multiply
    2,130,195.42x = 2,939,693.07 × 1,163,354.16
  4. Step 4: Simplify right side
    2,130,195.42x = 3,419,904,162,107.67
  5. Step 5: Solve for x
    x = 3,419,904,162,107.67/2,130,195.42
  6. Step 6: Final answer
    x = 1,605,441.51

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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.