Home / 1,994,453.28-2,990,014.56-928,946.88

Finding the Fourth Proportional to 1,994,453.28, 2,990,014.56 and 928,946.88

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Solution

The fourth proportional to 1,994,453.28, 2,990,014.56 and 928,946.88 is: 1,392,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,453.28 : 2,990,014.56 = 928,946.88 : x
  2. Step 2: Convert to fraction form
    1,994,453.28/2,990,014.56 = 928,946.88/x
  3. Step 3: Cross multiply
    1,994,453.28x = 2,990,014.56 × 928,946.88
  4. Step 4: Simplify right side
    1,994,453.28x = 2,777,564,696,666.57
  5. Step 5: Solve for x
    x = 2,777,564,696,666.57/1,994,453.28
  6. Step 6: Final answer
    x = 1,392,644.65

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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.