Home / 5,686,491.51-7,848,768.47-3,240,553.73

Finding the Fourth Proportional to 5,686,491.51, 7,848,768.47 and 3,240,553.73

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Solution

The fourth proportional to 5,686,491.51, 7,848,768.47 and 3,240,553.73 is: 4,472,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686,491.51 : 7,848,768.47 = 3,240,553.73 : x
  2. Step 2: Convert to fraction form
    5,686,491.51/7,848,768.47 = 3,240,553.73/x
  3. Step 3: Cross multiply
    5,686,491.51x = 7,848,768.47 × 3,240,553.73
  4. Step 4: Simplify right side
    5,686,491.51x = 25,434,355,885,918.28
  5. Step 5: Solve for x
    x = 25,434,355,885,918.28/5,686,491.51
  6. Step 6: Final answer
    x = 4,472,767.76

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Double scale
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1.5x scale

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.