Home / 1,640,260.22-2,263,560.51-915,108.10

Finding the Fourth Proportional to 1,640,260.22, 2,263,560.51 and 915,108.10

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Solution

The fourth proportional to 1,640,260.22, 2,263,560.51 and 915,108.10 is: 1,262,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,260.22 : 2,263,560.51 = 915,108.10 : x
  2. Step 2: Convert to fraction form
    1,640,260.22/2,263,560.51 = 915,108.10/x
  3. Step 3: Cross multiply
    1,640,260.22x = 2,263,560.51 × 915,108.10
  4. Step 4: Simplify right side
    1,640,260.22x = 2,071,402,546,223.33
  5. Step 5: Solve for x
    x = 2,071,402,546,223.33/1,640,260.22
  6. Step 6: Final answer
    x = 1,262,849.96

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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.