Home / 2,119,612.32-3,185,841.84-1,402,400.24

Finding the Fourth Proportional to 2,119,612.32, 3,185,841.84 and 1,402,400.24

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Solution

The fourth proportional to 2,119,612.32, 3,185,841.84 and 1,402,400.24 is: 2,107,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,612.32 : 3,185,841.84 = 1,402,400.24 : x
  2. Step 2: Convert to fraction form
    2,119,612.32/3,185,841.84 = 1,402,400.24/x
  3. Step 3: Cross multiply
    2,119,612.32x = 3,185,841.84 × 1,402,400.24
  4. Step 4: Simplify right side
    2,119,612.32x = 4,467,825,361,018.04
  5. Step 5: Solve for x
    x = 4,467,825,361,018.04/2,119,612.32
  6. Step 6: Final answer
    x = 2,107,850.25

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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.