Home / 2,107,226.12-2,907,979.25-1,140,356.16

Finding the Fourth Proportional to 2,107,226.12, 2,907,979.25 and 1,140,356.16

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Solution

The fourth proportional to 2,107,226.12, 2,907,979.25 and 1,140,356.16 is: 1,573,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,226.12 : 2,907,979.25 = 1,140,356.16 : x
  2. Step 2: Convert to fraction form
    2,107,226.12/2,907,979.25 = 1,140,356.16/x
  3. Step 3: Cross multiply
    2,107,226.12x = 2,907,979.25 × 1,140,356.16
  4. Step 4: Simplify right side
    2,107,226.12x = 3,316,132,045,187.90
  5. Step 5: Solve for x
    x = 3,316,132,045,187.90/2,107,226.12
  6. Step 6: Final answer
    x = 1,573,695.40

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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.