Home / 4,846,405.57-6,689,032.13-2,887,431.21

Finding the Fourth Proportional to 4,846,405.57, 6,689,032.13 and 2,887,431.21

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Solution

The fourth proportional to 4,846,405.57, 6,689,032.13 and 2,887,431.21 is: 3,985,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,846,405.57 : 6,689,032.13 = 2,887,431.21 : x
  2. Step 2: Convert to fraction form
    4,846,405.57/6,689,032.13 = 2,887,431.21/x
  3. Step 3: Cross multiply
    4,846,405.57x = 6,689,032.13 × 2,887,431.21
  4. Step 4: Simplify right side
    4,846,405.57x = 19,314,120,147,501.49
  5. Step 5: Solve for x
    x = 19,314,120,147,501.49/4,846,405.57
  6. Step 6: Final answer
    x = 3,985,246.36

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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.