Home / 2,580,148.06-3,870,369.70-783,090.16

Finding the Fourth Proportional to 2,580,148.06, 3,870,369.70 and 783,090.16

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Solution

The fourth proportional to 2,580,148.06, 3,870,369.70 and 783,090.16 is: 1,174,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,148.06 : 3,870,369.70 = 783,090.16 : x
  2. Step 2: Convert to fraction form
    2,580,148.06/3,870,369.70 = 783,090.16/x
  3. Step 3: Cross multiply
    2,580,148.06x = 3,870,369.70 × 783,090.16
  4. Step 4: Simplify right side
    2,580,148.06x = 3,030,848,427,632.15
  5. Step 5: Solve for x
    x = 3,030,848,427,632.15/2,580,148.06
  6. Step 6: Final answer
    x = 1,174,680.04

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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.