Home / 5,239,859.73-7,231,004.80-2,916,701.76

Finding the Fourth Proportional to 5,239,859.73, 7,231,004.80 and 2,916,701.76

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Solution

The fourth proportional to 5,239,859.73, 7,231,004.80 and 2,916,701.76 is: 4,025,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,859.73 : 7,231,004.80 = 2,916,701.76 : x
  2. Step 2: Convert to fraction form
    5,239,859.73/7,231,004.80 = 2,916,701.76/x
  3. Step 3: Cross multiply
    5,239,859.73x = 7,231,004.80 × 2,916,701.76
  4. Step 4: Simplify right side
    5,239,859.73x = 21,090,684,426,728.45
  5. Step 5: Solve for x
    x = 21,090,684,426,728.45/5,239,859.73
  6. Step 6: Final answer
    x = 4,025,047.52

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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.