Home / 3,160,637.28-4,362,364.08-1,998,345.60

Finding the Fourth Proportional to 3,160,637.28, 4,362,364.08 and 1,998,345.60

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Solution

The fourth proportional to 3,160,637.28, 4,362,364.08 and 1,998,345.60 is: 2,758,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,637.28 : 4,362,364.08 = 1,998,345.60 : x
  2. Step 2: Convert to fraction form
    3,160,637.28/4,362,364.08 = 1,998,345.60/x
  3. Step 3: Cross multiply
    3,160,637.28x = 4,362,364.08 × 1,998,345.60
  4. Step 4: Simplify right side
    3,160,637.28x = 8,717,511,064,866.05
  5. Step 5: Solve for x
    x = 8,717,511,064,866.05/3,160,637.28
  6. Step 6: Final answer
    x = 2,758,149.79

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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.