Home / 5,221,709.45-7,830,790.19-1,809,199.52

Finding the Fourth Proportional to 5,221,709.45, 7,830,790.19 and 1,809,199.52

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Solution

The fourth proportional to 5,221,709.45, 7,830,790.19 and 1,809,199.52 is: 2,713,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,709.45 : 7,830,790.19 = 1,809,199.52 : x
  2. Step 2: Convert to fraction form
    5,221,709.45/7,830,790.19 = 1,809,199.52/x
  3. Step 3: Cross multiply
    5,221,709.45x = 7,830,790.19 × 1,809,199.52
  4. Step 4: Simplify right side
    5,221,709.45x = 14,167,461,804,768.76
  5. Step 5: Solve for x
    x = 14,167,461,804,768.76/5,221,709.45
  6. Step 6: Final answer
    x = 2,713,184.63

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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.