Home / 2,531,678.86-3,493,721.06-1,370,126.15

Finding the Fourth Proportional to 2,531,678.86, 3,493,721.06 and 1,370,126.15

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Solution

The fourth proportional to 2,531,678.86, 3,493,721.06 and 1,370,126.15 is: 1,890,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,678.86 : 3,493,721.06 = 1,370,126.15 : x
  2. Step 2: Convert to fraction form
    2,531,678.86/3,493,721.06 = 1,370,126.15/x
  3. Step 3: Cross multiply
    2,531,678.86x = 3,493,721.06 × 1,370,126.15
  4. Step 4: Simplify right side
    2,531,678.86x = 4,786,838,579,802.73
  5. Step 5: Solve for x
    x = 4,786,838,579,802.73/2,531,678.86
  6. Step 6: Final answer
    x = 1,890,776.38

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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.