Home / 5,239,983.90-7,859,975.86-1,453,466.78

Finding the Fourth Proportional to 5,239,983.90, 7,859,975.86 and 1,453,466.78

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Solution

The fourth proportional to 5,239,983.90, 7,859,975.86 and 1,453,466.78 is: 2,180,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,983.90 : 7,859,975.86 = 1,453,466.78 : x
  2. Step 2: Convert to fraction form
    5,239,983.90/7,859,975.86 = 1,453,466.78/x
  3. Step 3: Cross multiply
    5,239,983.90x = 7,859,975.86 × 1,453,466.78
  4. Step 4: Simplify right side
    5,239,983.90x = 11,424,213,804,111.93
  5. Step 5: Solve for x
    x = 11,424,213,804,111.93/5,239,983.90
  6. Step 6: Final answer
    x = 2,180,200.17

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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.