Home / 1,999,123.28-2,998,682.70-651,283.96

Finding the Fourth Proportional to 1,999,123.28, 2,998,682.70 and 651,283.96

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Solution

The fourth proportional to 1,999,123.28, 2,998,682.70 and 651,283.96 is: 976,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,123.28 : 2,998,682.70 = 651,283.96 : x
  2. Step 2: Convert to fraction form
    1,999,123.28/2,998,682.70 = 651,283.96/x
  3. Step 3: Cross multiply
    1,999,123.28x = 2,998,682.70 × 651,283.96
  4. Step 4: Simplify right side
    1,999,123.28x = 1,952,993,943,639.49
  5. Step 5: Solve for x
    x = 1,952,993,943,639.49/1,999,123.28
  6. Step 6: Final answer
    x = 976,925.22

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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.