Home / 2,780,088-3,836,495.52-1,572,864

Finding the Fourth Proportional to 2,780,088, 3,836,495.52 and 1,572,864

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Solution

The fourth proportional to 2,780,088, 3,836,495.52 and 1,572,864 is: 2,170,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,088 : 3,836,495.52 = 1,572,864 : x
  2. Step 2: Convert to fraction form
    2,780,088/3,836,495.52 = 1,572,864/x
  3. Step 3: Cross multiply
    2,780,088x = 3,836,495.52 × 1,572,864
  4. Step 4: Simplify right side
    2,780,088x = 6,034,285,689,569.28
  5. Step 5: Solve for x
    x = 6,034,285,689,569.28/2,780,088
  6. Step 6: Final answer
    x = 2,170,537.66

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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.