Home / 5,678,971.42-8,518,630.10-2,220,573.05

Finding the Fourth Proportional to 5,678,971.42, 8,518,630.10 and 2,220,573.05

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Solution

The fourth proportional to 5,678,971.42, 8,518,630.10 and 2,220,573.05 is: 3,330,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,971.42 : 8,518,630.10 = 2,220,573.05 : x
  2. Step 2: Convert to fraction form
    5,678,971.42/8,518,630.10 = 2,220,573.05/x
  3. Step 3: Cross multiply
    5,678,971.42x = 8,518,630.10 × 2,220,573.05
  4. Step 4: Simplify right side
    5,678,971.42x = 18,916,240,468,750.12
  5. Step 5: Solve for x
    x = 18,916,240,468,750.12/5,678,971.42
  6. Step 6: Final answer
    x = 3,330,927.22

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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.