Home / 3,171,918.65-4,377,192.81-1,721,582.96

Finding the Fourth Proportional to 3,171,918.65, 4,377,192.81 and 1,721,582.96

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Solution

The fourth proportional to 3,171,918.65, 4,377,192.81 and 1,721,582.96 is: 2,375,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,918.65 : 4,377,192.81 = 1,721,582.96 : x
  2. Step 2: Convert to fraction form
    3,171,918.65/4,377,192.81 = 1,721,582.96/x
  3. Step 3: Cross multiply
    3,171,918.65x = 4,377,192.81 × 1,721,582.96
  4. Step 4: Simplify right side
    3,171,918.65x = 7,535,700,525,988.62
  5. Step 5: Solve for x
    x = 7,535,700,525,988.62/3,171,918.65
  6. Step 6: Final answer
    x = 2,375,754.67

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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.