Home / 2,678,812.52-3,696,827.94-1,455,117.66

Finding the Fourth Proportional to 2,678,812.52, 3,696,827.94 and 1,455,117.66

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Solution

The fourth proportional to 2,678,812.52, 3,696,827.94 and 1,455,117.66 is: 2,008,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,812.52 : 3,696,827.94 = 1,455,117.66 : x
  2. Step 2: Convert to fraction form
    2,678,812.52/3,696,827.94 = 1,455,117.66/x
  3. Step 3: Cross multiply
    2,678,812.52x = 3,696,827.94 × 1,455,117.66
  4. Step 4: Simplify right side
    2,678,812.52x = 5,379,319,621,475.42
  5. Step 5: Solve for x
    x = 5,379,319,621,475.42/2,678,812.52
  6. Step 6: Final answer
    x = 2,008,098.58

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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.