Home / 5,133,815.76-7,084,749.65-2,810,669.52

Finding the Fourth Proportional to 5,133,815.76, 7,084,749.65 and 2,810,669.52

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Solution

The fourth proportional to 5,133,815.76, 7,084,749.65 and 2,810,669.52 is: 3,878,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,815.76 : 7,084,749.65 = 2,810,669.52 : x
  2. Step 2: Convert to fraction form
    5,133,815.76/7,084,749.65 = 2,810,669.52/x
  3. Step 3: Cross multiply
    5,133,815.76x = 7,084,749.65 × 2,810,669.52
  4. Step 4: Simplify right side
    5,133,815.76x = 19,912,889,884,032.32
  5. Step 5: Solve for x
    x = 19,912,889,884,032.32/5,133,815.76
  6. Step 6: Final answer
    x = 3,878,769.87

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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.