Home / 3,557,379.70-4,909,182.90-1,925,785.84

Finding the Fourth Proportional to 3,557,379.70, 4,909,182.90 and 1,925,785.84

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Solution

The fourth proportional to 3,557,379.70, 4,909,182.90 and 1,925,785.84 is: 2,657,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,379.70 : 4,909,182.90 = 1,925,785.84 : x
  2. Step 2: Convert to fraction form
    3,557,379.70/4,909,182.90 = 1,925,785.84/x
  3. Step 3: Cross multiply
    3,557,379.70x = 4,909,182.90 × 1,925,785.84
  4. Step 4: Simplify right side
    3,557,379.70x = 9,454,034,914,790.14
  5. Step 5: Solve for x
    x = 9,454,034,914,790.14/3,557,379.70
  6. Step 6: Final answer
    x = 2,657,583.87

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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.