Home / 5,478,003.40-8,217,005.10-2,958,579.40

Finding the Fourth Proportional to 5,478,003.40, 8,217,005.10 and 2,958,579.40

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Solution

The fourth proportional to 5,478,003.40, 8,217,005.10 and 2,958,579.40 is: 4,437,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,003.40 : 8,217,005.10 = 2,958,579.40 : x
  2. Step 2: Convert to fraction form
    5,478,003.40/8,217,005.10 = 2,958,579.40/x
  3. Step 3: Cross multiply
    5,478,003.40x = 8,217,005.10 × 2,958,579.40
  4. Step 4: Simplify right side
    5,478,003.40x = 24,310,662,018,554.94
  5. Step 5: Solve for x
    x = 24,310,662,018,554.94/5,478,003.40
  6. Step 6: Final answer
    x = 4,437,869.10

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Similar ratio
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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.