Home / 4,815,155.02-7,220,632.75-1,821,239.50

Finding the Fourth Proportional to 4,815,155.02, 7,220,632.75 and 1,821,239.50

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Solution

The fourth proportional to 4,815,155.02, 7,220,632.75 and 1,821,239.50 is: 2,731,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,155.02 : 7,220,632.75 = 1,821,239.50 : x
  2. Step 2: Convert to fraction form
    4,815,155.02/7,220,632.75 = 1,821,239.50/x
  3. Step 3: Cross multiply
    4,815,155.02x = 7,220,632.75 × 1,821,239.50
  4. Step 4: Simplify right side
    4,815,155.02x = 13,150,501,579,293.62
  5. Step 5: Solve for x
    x = 13,150,501,579,293.62/4,815,155.02
  6. Step 6: Final answer
    x = 2,731,065.05

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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.