Home / 5,133,765.16-7,084,679.64-2,810,618.76

Finding the Fourth Proportional to 5,133,765.16, 7,084,679.64 and 2,810,618.76

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Solution

The fourth proportional to 5,133,765.16, 7,084,679.64 and 2,810,618.76 is: 3,878,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,765.16 : 7,084,679.64 = 2,810,618.76 : x
  2. Step 2: Convert to fraction form
    5,133,765.16/7,084,679.64 = 2,810,618.76/x
  3. Step 3: Cross multiply
    5,133,765.16x = 7,084,679.64 × 2,810,618.76
  4. Step 4: Simplify right side
    5,133,765.16x = 19,912,333,504,774.04
  5. Step 5: Solve for x
    x = 19,912,333,504,774.04/5,133,765.16
  6. Step 6: Final answer
    x = 3,878,699.72

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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.