Home / 2,818,776.64-3,889,914.40-1,611,577.92

Finding the Fourth Proportional to 2,818,776.64, 3,889,914.40 and 1,611,577.92

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Solution

The fourth proportional to 2,818,776.64, 3,889,914.40 and 1,611,577.92 is: 2,223,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,776.64 : 3,889,914.40 = 1,611,577.92 : x
  2. Step 2: Convert to fraction form
    2,818,776.64/3,889,914.40 = 1,611,577.92/x
  3. Step 3: Cross multiply
    2,818,776.64x = 3,889,914.40 × 1,611,577.92
  4. Step 4: Simplify right side
    2,818,776.64x = 6,268,900,157,730.05
  5. Step 5: Solve for x
    x = 6,268,900,157,730.05/2,818,776.64
  6. Step 6: Final answer
    x = 2,223,979.04

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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.