Home / 1,557,780.48-2,338,663.68-1,322,617.32

Finding the Fourth Proportional to 1,557,780.48, 2,338,663.68 and 1,322,617.32

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Solution

The fourth proportional to 1,557,780.48, 2,338,663.68 and 1,322,617.32 is: 1,985,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,780.48 : 2,338,663.68 = 1,322,617.32 : x
  2. Step 2: Convert to fraction form
    1,557,780.48/2,338,663.68 = 1,322,617.32/x
  3. Step 3: Cross multiply
    1,557,780.48x = 2,338,663.68 × 1,322,617.32
  4. Step 4: Simplify right side
    1,557,780.48x = 3,093,157,088,822.94
  5. Step 5: Solve for x
    x = 3,093,157,088,822.94/1,557,780.48
  6. Step 6: Final answer
    x = 1,985,618.08

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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.