Home / 1,768,957.12-2,441,226.72-1,005,140.16

Finding the Fourth Proportional to 1,768,957.12, 2,441,226.72 and 1,005,140.16

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Solution

The fourth proportional to 1,768,957.12, 2,441,226.72 and 1,005,140.16 is: 1,387,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,957.12 : 2,441,226.72 = 1,005,140.16 : x
  2. Step 2: Convert to fraction form
    1,768,957.12/2,441,226.72 = 1,005,140.16/x
  3. Step 3: Cross multiply
    1,768,957.12x = 2,441,226.72 × 1,005,140.16
  4. Step 4: Simplify right side
    1,768,957.12x = 2,453,775,015,937.08
  5. Step 5: Solve for x
    x = 2,453,775,015,937.08/1,768,957.12
  6. Step 6: Final answer
    x = 1,387,130.86

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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.