Home / 2,542,856.40-3,820,505.40-1,913,000.40

Finding the Fourth Proportional to 2,542,856.40, 3,820,505.40 and 1,913,000.40

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Solution

The fourth proportional to 2,542,856.40, 3,820,505.40 and 1,913,000.40 is: 2,874,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,856.40 : 3,820,505.40 = 1,913,000.40 : x
  2. Step 2: Convert to fraction form
    2,542,856.40/3,820,505.40 = 1,913,000.40/x
  3. Step 3: Cross multiply
    2,542,856.40x = 3,820,505.40 × 1,913,000.40
  4. Step 4: Simplify right side
    2,542,856.40x = 7,308,628,358,402.16
  5. Step 5: Solve for x
    x = 7,308,628,358,402.16/2,542,856.40
  6. Step 6: Final answer
    x = 2,874,180.53

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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.