Home / 5,377,389.63-7,420,704.23-2,930,020.80

Finding the Fourth Proportional to 5,377,389.63, 7,420,704.23 and 2,930,020.80

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Solution

The fourth proportional to 5,377,389.63, 7,420,704.23 and 2,930,020.80 is: 4,043,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,389.63 : 7,420,704.23 = 2,930,020.80 : x
  2. Step 2: Convert to fraction form
    5,377,389.63/7,420,704.23 = 2,930,020.80/x
  3. Step 3: Cross multiply
    5,377,389.63x = 7,420,704.23 × 2,930,020.80
  4. Step 4: Simplify right side
    5,377,389.63x = 21,742,817,724,045.39
  5. Step 5: Solve for x
    x = 21,742,817,724,045.39/5,377,389.63
  6. Step 6: Final answer
    x = 4,043,377.78

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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.