Home / 5,475,389.92-8,210,993.92-2,191,740.64

Finding the Fourth Proportional to 5,475,389.92, 8,210,993.92 and 2,191,740.64

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Solution

The fourth proportional to 5,475,389.92, 8,210,993.92 and 2,191,740.64 is: 3,286,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475,389.92 : 8,210,993.92 = 2,191,740.64 : x
  2. Step 2: Convert to fraction form
    5,475,389.92/8,210,993.92 = 2,191,740.64/x
  3. Step 3: Cross multiply
    5,475,389.92x = 8,210,993.92 × 2,191,740.64
  4. Step 4: Simplify right side
    5,475,389.92x = 17,996,369,069,256.91
  5. Step 5: Solve for x
    x = 17,996,369,069,256.91/5,475,389.92
  6. Step 6: Final answer
    x = 3,286,773.97

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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.