Home / 4,679,489.70-7,020,218.70-2,656,077.30

Finding the Fourth Proportional to 4,679,489.70, 7,020,218.70 and 2,656,077.30

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Solution

The fourth proportional to 4,679,489.70, 7,020,218.70 and 2,656,077.30 is: 3,984,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,489.70 : 7,020,218.70 = 2,656,077.30 : x
  2. Step 2: Convert to fraction form
    4,679,489.70/7,020,218.70 = 2,656,077.30/x
  3. Step 3: Cross multiply
    4,679,489.70x = 7,020,218.70 × 2,656,077.30
  4. Step 4: Simplify right side
    4,679,489.70x = 18,646,243,530,105.51
  5. Step 5: Solve for x
    x = 18,646,243,530,105.51/4,679,489.70
  6. Step 6: Final answer
    x = 3,984,674.55

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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.