Home / 2,118,982.28-3,178,403.15-920,906.01

Finding the Fourth Proportional to 2,118,982.28, 3,178,403.15 and 920,906.01

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Solution

The fourth proportional to 2,118,982.28, 3,178,403.15 and 920,906.01 is: 1,381,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,982.28 : 3,178,403.15 = 920,906.01 : x
  2. Step 2: Convert to fraction form
    2,118,982.28/3,178,403.15 = 920,906.01/x
  3. Step 3: Cross multiply
    2,118,982.28x = 3,178,403.15 × 920,906.01
  4. Step 4: Simplify right side
    2,118,982.28x = 2,927,010,558,433.40
  5. Step 5: Solve for x
    x = 2,927,010,558,433.40/2,118,982.28
  6. Step 6: Final answer
    x = 1,381,328.48

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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.