Home / 4,999,957.81-7,500,379.73-1,405,756.04

Finding the Fourth Proportional to 4,999,957.81, 7,500,379.73 and 1,405,756.04

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Solution

The fourth proportional to 4,999,957.81, 7,500,379.73 and 1,405,756.04 is: 2,108,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,957.81 : 7,500,379.73 = 1,405,756.04 : x
  2. Step 2: Convert to fraction form
    4,999,957.81/7,500,379.73 = 1,405,756.04/x
  3. Step 3: Cross multiply
    4,999,957.81x = 7,500,379.73 × 1,405,756.04
  4. Step 4: Simplify right side
    4,999,957.81x = 10,543,704,063,210.39
  5. Step 5: Solve for x
    x = 10,543,704,063,210.39/4,999,957.81
  6. Step 6: Final answer
    x = 2,108,758.61

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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.