Home / 2,078,981.40-3,118,472.10-959,237.40

Finding the Fourth Proportional to 2,078,981.40, 3,118,472.10 and 959,237.40

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Solution

The fourth proportional to 2,078,981.40, 3,118,472.10 and 959,237.40 is: 1,438,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,981.40 : 3,118,472.10 = 959,237.40 : x
  2. Step 2: Convert to fraction form
    2,078,981.40/3,118,472.10 = 959,237.40/x
  3. Step 3: Cross multiply
    2,078,981.40x = 3,118,472.10 × 959,237.40
  4. Step 4: Simplify right side
    2,078,981.40x = 2,991,355,069,176.54
  5. Step 5: Solve for x
    x = 2,991,355,069,176.54/2,078,981.40
  6. Step 6: Final answer
    x = 1,438,856.10

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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.