Home / 2,097,686.16-2,894,785.92-1,167,378.21

Finding the Fourth Proportional to 2,097,686.16, 2,894,785.92 and 1,167,378.21

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Solution

The fourth proportional to 2,097,686.16, 2,894,785.92 and 1,167,378.21 is: 1,610,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,686.16 : 2,894,785.92 = 1,167,378.21 : x
  2. Step 2: Convert to fraction form
    2,097,686.16/2,894,785.92 = 1,167,378.21/x
  3. Step 3: Cross multiply
    2,097,686.16x = 2,894,785.92 × 1,167,378.21
  4. Step 4: Simplify right side
    2,097,686.16x = 3,379,310,005,622.80
  5. Step 5: Solve for x
    x = 3,379,310,005,622.80/2,097,686.16
  6. Step 6: Final answer
    x = 1,610,970.25

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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.