Home / 4,643,999.90-6,965,999.85-4,147,988.30

Finding the Fourth Proportional to 4,643,999.90, 6,965,999.85 and 4,147,988.30

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Solution

The fourth proportional to 4,643,999.90, 6,965,999.85 and 4,147,988.30 is: 6,221,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643,999.90 : 6,965,999.85 = 4,147,988.30 : x
  2. Step 2: Convert to fraction form
    4,643,999.90/6,965,999.85 = 4,147,988.30/x
  3. Step 3: Cross multiply
    4,643,999.90x = 6,965,999.85 × 4,147,988.30
  4. Step 4: Simplify right side
    4,643,999.90x = 28,894,885,875,601.75
  5. Step 5: Solve for x
    x = 28,894,885,875,601.75/4,643,999.90
  6. Step 6: Final answer
    x = 6,221,982.45

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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.