Home / 3,128,346.96-4,694,295.57-1,689,011.19

Finding the Fourth Proportional to 3,128,346.96, 4,694,295.57 and 1,689,011.19

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Solution

The fourth proportional to 3,128,346.96, 4,694,295.57 and 1,689,011.19 is: 2,534,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,346.96 : 4,694,295.57 = 1,689,011.19 : x
  2. Step 2: Convert to fraction form
    3,128,346.96/4,694,295.57 = 1,689,011.19/x
  3. Step 3: Cross multiply
    3,128,346.96x = 4,694,295.57 × 1,689,011.19
  4. Step 4: Simplify right side
    3,128,346.96x = 7,928,717,746,897.43
  5. Step 5: Solve for x
    x = 7,928,717,746,897.43/3,128,346.96
  6. Step 6: Final answer
    x = 2,534,475.19

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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.