Home / 3,085,876.08-4,258,765.80-1,796,639.40

Finding the Fourth Proportional to 3,085,876.08, 4,258,765.80 and 1,796,639.40

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Solution

The fourth proportional to 3,085,876.08, 4,258,765.80 and 1,796,639.40 is: 2,479,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,876.08 : 4,258,765.80 = 1,796,639.40 : x
  2. Step 2: Convert to fraction form
    3,085,876.08/4,258,765.80 = 1,796,639.40/x
  3. Step 3: Cross multiply
    3,085,876.08x = 4,258,765.80 × 1,796,639.40
  4. Step 4: Simplify right side
    3,085,876.08x = 7,651,466,431,652.52
  5. Step 5: Solve for x
    x = 7,651,466,431,652.52/3,085,876.08
  6. Step 6: Final answer
    x = 2,479,511.89

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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.