Home / 2,630,603.40-3,945,905.10-857,675.40

Finding the Fourth Proportional to 2,630,603.40, 3,945,905.10 and 857,675.40

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Solution

The fourth proportional to 2,630,603.40, 3,945,905.10 and 857,675.40 is: 1,286,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,603.40 : 3,945,905.10 = 857,675.40 : x
  2. Step 2: Convert to fraction form
    2,630,603.40/3,945,905.10 = 857,675.40/x
  3. Step 3: Cross multiply
    2,630,603.40x = 3,945,905.10 × 857,675.40
  4. Step 4: Simplify right side
    2,630,603.40x = 3,384,305,735,004.54
  5. Step 5: Solve for x
    x = 3,384,305,735,004.54/2,630,603.40
  6. Step 6: Final answer
    x = 1,286,513.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.