Home / 2,133,451.40-3,200,637.90-637,694.60

Finding the Fourth Proportional to 2,133,451.40, 3,200,637.90 and 637,694.60

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Solution

The fourth proportional to 2,133,451.40, 3,200,637.90 and 637,694.60 is: 956,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,451.40 : 3,200,637.90 = 637,694.60 : x
  2. Step 2: Convert to fraction form
    2,133,451.40/3,200,637.90 = 637,694.60/x
  3. Step 3: Cross multiply
    2,133,451.40x = 3,200,637.90 × 637,694.60
  4. Step 4: Simplify right side
    2,133,451.40x = 2,041,029,505,385.34
  5. Step 5: Solve for x
    x = 2,041,029,505,385.34/2,133,451.40
  6. Step 6: Final answer
    x = 956,679.63

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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.