Home / 4,220,823.09-6,333,144.63-1,661,333.25

Finding the Fourth Proportional to 4,220,823.09, 6,333,144.63 and 1,661,333.25

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Solution

The fourth proportional to 4,220,823.09, 6,333,144.63 and 1,661,333.25 is: 2,492,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,823.09 : 6,333,144.63 = 1,661,333.25 : x
  2. Step 2: Convert to fraction form
    4,220,823.09/6,333,144.63 = 1,661,333.25/x
  3. Step 3: Cross multiply
    4,220,823.09x = 6,333,144.63 × 1,661,333.25
  4. Step 4: Simplify right side
    4,220,823.09x = 10,521,463,750,877.95
  5. Step 5: Solve for x
    x = 10,521,463,750,877.95/4,220,823.09
  6. Step 6: Final answer
    x = 2,492,751.66

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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.