Home / 2,128,411.40-3,192,608.70-632,503.40

Finding the Fourth Proportional to 2,128,411.40, 3,192,608.70 and 632,503.40

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Solution

The fourth proportional to 2,128,411.40, 3,192,608.70 and 632,503.40 is: 948,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,411.40 : 3,192,608.70 = 632,503.40 : x
  2. Step 2: Convert to fraction form
    2,128,411.40/3,192,608.70 = 632,503.40/x
  3. Step 3: Cross multiply
    2,128,411.40x = 3,192,608.70 × 632,503.40
  4. Step 4: Simplify right side
    2,128,411.40x = 2,019,335,857,619.58
  5. Step 5: Solve for x
    x = 2,019,335,857,619.58/2,128,411.40
  6. Step 6: Final answer
    x = 948,752.60

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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.