Home / 3,285,908.40-4,927,987.80-1,011,428.40

Finding the Fourth Proportional to 3,285,908.40, 4,927,987.80 and 1,011,428.40

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Solution

The fourth proportional to 3,285,908.40, 4,927,987.80 and 1,011,428.40 is: 1,516,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285,908.40 : 4,927,987.80 = 1,011,428.40 : x
  2. Step 2: Convert to fraction form
    3,285,908.40/4,927,987.80 = 1,011,428.40/x
  3. Step 3: Cross multiply
    3,285,908.40x = 4,927,987.80 × 1,011,428.40
  4. Step 4: Simplify right side
    3,285,908.40x = 4,984,306,815,773.52
  5. Step 5: Solve for x
    x = 4,984,306,815,773.52/3,285,908.40
  6. Step 6: Final answer
    x = 1,516,873.33

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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.