Home / 5,160,861.04-7,122,231.32-2,869,060

Finding the Fourth Proportional to 5,160,861.04, 7,122,231.32 and 2,869,060

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Solution

The fourth proportional to 5,160,861.04, 7,122,231.32 and 2,869,060 is: 3,959,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,861.04 : 7,122,231.32 = 2,869,060 : x
  2. Step 2: Convert to fraction form
    5,160,861.04/7,122,231.32 = 2,869,060/x
  3. Step 3: Cross multiply
    5,160,861.04x = 7,122,231.32 × 2,869,060
  4. Step 4: Simplify right side
    5,160,861.04x = 20,434,108,990,959.20
  5. Step 5: Solve for x
    x = 20,434,108,990,959.20/5,160,861.04
  6. Step 6: Final answer
    x = 3,959,437.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.