Home / 3,611,465.63-4,983,790.78-1,979,843.35

Finding the Fourth Proportional to 3,611,465.63, 4,983,790.78 and 1,979,843.35

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Solution

The fourth proportional to 3,611,465.63, 4,983,790.78 and 1,979,843.35 is: 2,732,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,465.63 : 4,983,790.78 = 1,979,843.35 : x
  2. Step 2: Convert to fraction form
    3,611,465.63/4,983,790.78 = 1,979,843.35/x
  3. Step 3: Cross multiply
    3,611,465.63x = 4,983,790.78 × 1,979,843.35
  4. Step 4: Simplify right side
    3,611,465.63x = 9,867,125,033,574.32
  5. Step 5: Solve for x
    x = 9,867,125,033,574.32/3,611,465.63
  6. Step 6: Final answer
    x = 2,732,166.40

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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.