Home / 2,805,971.10-3,871,951.16-2,071,316.22

Finding the Fourth Proportional to 2,805,971.10, 3,871,951.16 and 2,071,316.22

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Solution

The fourth proportional to 2,805,971.10, 3,871,951.16 and 2,071,316.22 is: 2,858,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,971.10 : 3,871,951.16 = 2,071,316.22 : x
  2. Step 2: Convert to fraction form
    2,805,971.10/3,871,951.16 = 2,071,316.22/x
  3. Step 3: Cross multiply
    2,805,971.10x = 3,871,951.16 × 2,071,316.22
  4. Step 4: Simplify right side
    2,805,971.10x = 8,020,035,240,755.82
  5. Step 5: Solve for x
    x = 8,020,035,240,755.82/2,805,971.10
  6. Step 6: Final answer
    x = 2,858,203.08

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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.