Home / 2,111,444.28-3,166,497.56-763,428.51

Finding the Fourth Proportional to 2,111,444.28, 3,166,497.56 and 763,428.51

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Solution

The fourth proportional to 2,111,444.28, 3,166,497.56 and 763,428.51 is: 1,144,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,444.28 : 3,166,497.56 = 763,428.51 : x
  2. Step 2: Convert to fraction form
    2,111,444.28/3,166,497.56 = 763,428.51/x
  3. Step 3: Cross multiply
    2,111,444.28x = 3,166,497.56 × 763,428.51
  4. Step 4: Simplify right side
    2,111,444.28x = 2,417,394,516,058.01
  5. Step 5: Solve for x
    x = 2,417,394,516,058.01/2,111,444.28
  6. Step 6: Final answer
    x = 1,144,900.93

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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.