Home / 3,115,858.50-4,673,787.75-751,954.50

Finding the Fourth Proportional to 3,115,858.50, 4,673,787.75 and 751,954.50

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Solution

The fourth proportional to 3,115,858.50, 4,673,787.75 and 751,954.50 is: 1,127,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,858.50 : 4,673,787.75 = 751,954.50 : x
  2. Step 2: Convert to fraction form
    3,115,858.50/4,673,787.75 = 751,954.50/x
  3. Step 3: Cross multiply
    3,115,858.50x = 4,673,787.75 × 751,954.50
  4. Step 4: Simplify right side
    3,115,858.50x = 3,514,475,730,657.38
  5. Step 5: Solve for x
    x = 3,514,475,730,657.38/3,115,858.50
  6. Step 6: Final answer
    x = 1,127,931.75

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1.5x scale

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.