Home / 2,942,003.70-4,413,005.55-947,459.70

Finding the Fourth Proportional to 2,942,003.70, 4,413,005.55 and 947,459.70

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Solution

The fourth proportional to 2,942,003.70, 4,413,005.55 and 947,459.70 is: 1,421,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,003.70 : 4,413,005.55 = 947,459.70 : x
  2. Step 2: Convert to fraction form
    2,942,003.70/4,413,005.55 = 947,459.70/x
  3. Step 3: Cross multiply
    2,942,003.70x = 4,413,005.55 × 947,459.70
  4. Step 4: Simplify right side
    2,942,003.70x = 4,181,144,914,501.33
  5. Step 5: Solve for x
    x = 4,181,144,914,501.33/2,942,003.70
  6. Step 6: Final answer
    x = 1,421,189.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.