Home / 4,319,980.50-6,481,020.60-1,328,164.50

Finding the Fourth Proportional to 4,319,980.50, 6,481,020.60 and 1,328,164.50

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Solution

The fourth proportional to 4,319,980.50, 6,481,020.60 and 1,328,164.50 is: 1,992,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319,980.50 : 6,481,020.60 = 1,328,164.50 : x
  2. Step 2: Convert to fraction form
    4,319,980.50/6,481,020.60 = 1,328,164.50/x
  3. Step 3: Cross multiply
    4,319,980.50x = 6,481,020.60 × 1,328,164.50
  4. Step 4: Simplify right side
    4,319,980.50x = 8,607,861,484,688.70
  5. Step 5: Solve for x
    x = 8,607,861,484,688.70/4,319,980.50
  6. Step 6: Final answer
    x = 1,992,569.52

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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.