Home / 2,590,736.48-3,886,046.40-1,170,411.20

Finding the Fourth Proportional to 2,590,736.48, 3,886,046.40 and 1,170,411.20

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Solution

The fourth proportional to 2,590,736.48, 3,886,046.40 and 1,170,411.20 is: 1,755,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,736.48 : 3,886,046.40 = 1,170,411.20 : x
  2. Step 2: Convert to fraction form
    2,590,736.48/3,886,046.40 = 1,170,411.20/x
  3. Step 3: Cross multiply
    2,590,736.48x = 3,886,046.40 × 1,170,411.20
  4. Step 4: Simplify right side
    2,590,736.48x = 4,548,272,230,279.68
  5. Step 5: Solve for x
    x = 4,548,272,230,279.68/2,590,736.48
  6. Step 6: Final answer
    x = 1,755,590.45

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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.