Home / 2,892,127.79-4,338,207.09-870,357.86

Finding the Fourth Proportional to 2,892,127.79, 4,338,207.09 and 870,357.86

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Solution

The fourth proportional to 2,892,127.79, 4,338,207.09 and 870,357.86 is: 1,305,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,127.79 : 4,338,207.09 = 870,357.86 : x
  2. Step 2: Convert to fraction form
    2,892,127.79/4,338,207.09 = 870,357.86/x
  3. Step 3: Cross multiply
    2,892,127.79x = 4,338,207.09 × 870,357.86
  4. Step 4: Simplify right side
    2,892,127.79x = 3,775,792,617,398.19
  5. Step 5: Solve for x
    x = 3,775,792,617,398.19/2,892,127.79
  6. Step 6: Final answer
    x = 1,305,541.42

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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.