Home / 2,580,148.12-3,870,369.80-783,090.22

Finding the Fourth Proportional to 2,580,148.12, 3,870,369.80 and 783,090.22

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Solution

The fourth proportional to 2,580,148.12, 3,870,369.80 and 783,090.22 is: 1,174,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,148.12 : 3,870,369.80 = 783,090.22 : x
  2. Step 2: Convert to fraction form
    2,580,148.12/3,870,369.80 = 783,090.22/x
  3. Step 3: Cross multiply
    2,580,148.12x = 3,870,369.80 × 783,090.22
  4. Step 4: Simplify right side
    2,580,148.12x = 3,030,848,727,508.57
  5. Step 5: Solve for x
    x = 3,030,848,727,508.57/2,580,148.12
  6. Step 6: Final answer
    x = 1,174,680.13

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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.