Home / 1,681,723.15-2,322,100.28-1,353,995.12

Finding the Fourth Proportional to 1,681,723.15, 2,322,100.28 and 1,353,995.12

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Solution

The fourth proportional to 1,681,723.15, 2,322,100.28 and 1,353,995.12 is: 1,869,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,723.15 : 2,322,100.28 = 1,353,995.12 : x
  2. Step 2: Convert to fraction form
    1,681,723.15/2,322,100.28 = 1,353,995.12/x
  3. Step 3: Cross multiply
    1,681,723.15x = 2,322,100.28 × 1,353,995.12
  4. Step 4: Simplify right side
    1,681,723.15x = 3,144,112,447,270.63
  5. Step 5: Solve for x
    x = 3,144,112,447,270.63/1,681,723.15
  6. Step 6: Final answer
    x = 1,869,577.91

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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.