Home / 1,615,221.64-2,229,005.98-936,551.80

Finding the Fourth Proportional to 1,615,221.64, 2,229,005.98 and 936,551.80

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Solution

The fourth proportional to 1,615,221.64, 2,229,005.98 and 936,551.80 is: 1,292,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,221.64 : 2,229,005.98 = 936,551.80 : x
  2. Step 2: Convert to fraction form
    1,615,221.64/2,229,005.98 = 936,551.80/x
  3. Step 3: Cross multiply
    1,615,221.64x = 2,229,005.98 × 936,551.80
  4. Step 4: Simplify right side
    1,615,221.64x = 2,087,579,562,779.76
  5. Step 5: Solve for x
    x = 2,087,579,562,779.76/1,615,221.64
  6. Step 6: Final answer
    x = 1,292,441.55

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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.