Home / 2,106,402.28-3,159,825.90-686,569.48

Finding the Fourth Proportional to 2,106,402.28, 3,159,825.90 and 686,569.48

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Solution

The fourth proportional to 2,106,402.28, 3,159,825.90 and 686,569.48 is: 1,029,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,402.28 : 3,159,825.90 = 686,569.48 : x
  2. Step 2: Convert to fraction form
    2,106,402.28/3,159,825.90 = 686,569.48/x
  3. Step 3: Cross multiply
    2,106,402.28x = 3,159,825.90 × 686,569.48
  4. Step 4: Simplify right side
    2,106,402.28x = 2,169,440,025,053.53
  5. Step 5: Solve for x
    x = 2,169,440,025,053.53/2,106,402.28
  6. Step 6: Final answer
    x = 1,029,926.74

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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.