Home / 4,557,990.60-6,832,709.10-1,720,009.80

Finding the Fourth Proportional to 4,557,990.60, 6,832,709.10 and 1,720,009.80

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Solution

The fourth proportional to 4,557,990.60, 6,832,709.10 and 1,720,009.80 is: 2,578,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557,990.60 : 6,832,709.10 = 1,720,009.80 : x
  2. Step 2: Convert to fraction form
    4,557,990.60/6,832,709.10 = 1,720,009.80/x
  3. Step 3: Cross multiply
    4,557,990.60x = 6,832,709.10 × 1,720,009.80
  4. Step 4: Simplify right side
    4,557,990.60x = 11,752,326,612,549.18
  5. Step 5: Solve for x
    x = 11,752,326,612,549.18/4,557,990.60
  6. Step 6: Final answer
    x = 2,578,400.80

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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.