Home / 2,862,438.81-3,950,196.07-1,555,690.85

Finding the Fourth Proportional to 2,862,438.81, 3,950,196.07 and 1,555,690.85

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Solution

The fourth proportional to 2,862,438.81, 3,950,196.07 and 1,555,690.85 is: 2,146,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,438.81 : 3,950,196.07 = 1,555,690.85 : x
  2. Step 2: Convert to fraction form
    2,862,438.81/3,950,196.07 = 1,555,690.85/x
  3. Step 3: Cross multiply
    2,862,438.81x = 3,950,196.07 × 1,555,690.85
  4. Step 4: Simplify right side
    2,862,438.81x = 6,145,283,862,053.98
  5. Step 5: Solve for x
    x = 6,145,283,862,053.98/2,862,438.81
  6. Step 6: Final answer
    x = 2,146,869.95

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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.