Home / 3,623,218.15-4,999,984.99-1,991,590.60

Finding the Fourth Proportional to 3,623,218.15, 4,999,984.99 and 1,991,590.60

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Solution

The fourth proportional to 3,623,218.15, 4,999,984.99 and 1,991,590.60 is: 2,748,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,218.15 : 4,999,984.99 = 1,991,590.60 : x
  2. Step 2: Convert to fraction form
    3,623,218.15/4,999,984.99 = 1,991,590.60/x
  3. Step 3: Cross multiply
    3,623,218.15x = 4,999,984.99 × 1,991,590.60
  4. Step 4: Simplify right side
    3,623,218.15x = 9,957,923,106,225.10
  5. Step 5: Solve for x
    x = 9,957,923,106,225.10/3,623,218.15
  6. Step 6: Final answer
    x = 2,748,364.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.