Home / 2,859,970.77-3,945,799.35-1,619,411.55

Finding the Fourth Proportional to 2,859,970.77, 3,945,799.35 and 1,619,411.55

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Solution

The fourth proportional to 2,859,970.77, 3,945,799.35 and 1,619,411.55 is: 2,234,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,970.77 : 3,945,799.35 = 1,619,411.55 : x
  2. Step 2: Convert to fraction form
    2,859,970.77/3,945,799.35 = 1,619,411.55/x
  3. Step 3: Cross multiply
    2,859,970.77x = 3,945,799.35 × 1,619,411.55
  4. Step 4: Simplify right side
    2,859,970.77x = 6,389,873,021,643.50
  5. Step 5: Solve for x
    x = 6,389,873,021,643.50/2,859,970.77
  6. Step 6: Final answer
    x = 2,234,244.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.