Home / 3,611,434.77-4,983,779.28-1,979,853.69

Finding the Fourth Proportional to 3,611,434.77, 4,983,779.28 and 1,979,853.69

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Solution

The fourth proportional to 3,611,434.77, 4,983,779.28 and 1,979,853.69 is: 2,732,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,434.77 : 4,983,779.28 = 1,979,853.69 : x
  2. Step 2: Convert to fraction form
    3,611,434.77/4,983,779.28 = 1,979,853.69/x
  3. Step 3: Cross multiply
    3,611,434.77x = 4,983,779.28 × 1,979,853.69
  4. Step 4: Simplify right side
    3,611,434.77x = 9,867,153,797,653.54
  5. Step 5: Solve for x
    x = 9,867,153,797,653.54/3,611,434.77
  6. Step 6: Final answer
    x = 2,732,197.71

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1.5x scale

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.