Home / 2,222,972.81-3,066,009.85-1,913,402.28

Finding the Fourth Proportional to 2,222,972.81, 3,066,009.85 and 1,913,402.28

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Solution

The fourth proportional to 2,222,972.81, 3,066,009.85 and 1,913,402.28 is: 2,639,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222,972.81 : 3,066,009.85 = 1,913,402.28 : x
  2. Step 2: Convert to fraction form
    2,222,972.81/3,066,009.85 = 1,913,402.28/x
  3. Step 3: Cross multiply
    2,222,972.81x = 3,066,009.85 × 1,913,402.28
  4. Step 4: Simplify right side
    2,222,972.81x = 5,866,510,220,131.04
  5. Step 5: Solve for x
    x = 5,866,510,220,131.04/2,222,972.81
  6. Step 6: Final answer
    x = 2,639,038.23

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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.