Home / 4,128,111.20-6,192,166.80-2,238,543.20

Finding the Fourth Proportional to 4,128,111.20, 6,192,166.80 and 2,238,543.20

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Solution

The fourth proportional to 4,128,111.20, 6,192,166.80 and 2,238,543.20 is: 3,357,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,111.20 : 6,192,166.80 = 2,238,543.20 : x
  2. Step 2: Convert to fraction form
    4,128,111.20/6,192,166.80 = 2,238,543.20/x
  3. Step 3: Cross multiply
    4,128,111.20x = 6,192,166.80 × 2,238,543.20
  4. Step 4: Simplify right side
    4,128,111.20x = 13,861,432,883,405.76
  5. Step 5: Solve for x
    x = 13,861,432,883,405.76/4,128,111.20
  6. Step 6: Final answer
    x = 3,357,814.80

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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.