Home / 1,609,380.69-2,220,021.72-1,004,718.93

Finding the Fourth Proportional to 1,609,380.69, 2,220,021.72 and 1,004,718.93

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Solution

The fourth proportional to 1,609,380.69, 2,220,021.72 and 1,004,718.93 is: 1,385,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,380.69 : 2,220,021.72 = 1,004,718.93 : x
  2. Step 2: Convert to fraction form
    1,609,380.69/2,220,021.72 = 1,004,718.93/x
  3. Step 3: Cross multiply
    1,609,380.69x = 2,220,021.72 × 1,004,718.93
  4. Step 4: Simplify right side
    1,609,380.69x = 2,230,497,847,095.16
  5. Step 5: Solve for x
    x = 2,230,497,847,095.16/1,609,380.69
  6. Step 6: Final answer
    x = 1,385,935.51

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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.