Home / 4,140,003.70-6,210,005.55-3,478,654.90

Finding the Fourth Proportional to 4,140,003.70, 6,210,005.55 and 3,478,654.90

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Solution

The fourth proportional to 4,140,003.70, 6,210,005.55 and 3,478,654.90 is: 5,217,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140,003.70 : 6,210,005.55 = 3,478,654.90 : x
  2. Step 2: Convert to fraction form
    4,140,003.70/6,210,005.55 = 3,478,654.90/x
  3. Step 3: Cross multiply
    4,140,003.70x = 6,210,005.55 × 3,478,654.90
  4. Step 4: Simplify right side
    4,140,003.70x = 21,602,466,235,534.70
  5. Step 5: Solve for x
    x = 21,602,466,235,534.70/4,140,003.70
  6. Step 6: Final answer
    x = 5,217,982.35

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1.5x scale

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.