Home / 5,107,010.64-7,047,533.16-2,815,170.72

Finding the Fourth Proportional to 5,107,010.64, 7,047,533.16 and 2,815,170.72

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Solution

The fourth proportional to 5,107,010.64, 7,047,533.16 and 2,815,170.72 is: 3,884,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,010.64 : 7,047,533.16 = 2,815,170.72 : x
  2. Step 2: Convert to fraction form
    5,107,010.64/7,047,533.16 = 2,815,170.72/x
  3. Step 3: Cross multiply
    5,107,010.64x = 7,047,533.16 × 2,815,170.72
  4. Step 4: Simplify right side
    5,107,010.64x = 19,840,009,000,261.08
  5. Step 5: Solve for x
    x = 19,840,009,000,261.08/5,107,010.64
  6. Step 6: Final answer
    x = 3,884,857.58

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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.