Home / 3,623,218.65-4,999,985.69-1,991,591.10

Finding the Fourth Proportional to 3,623,218.65, 4,999,985.69 and 1,991,591.10

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Solution

The fourth proportional to 3,623,218.65, 4,999,985.69 and 1,991,591.10 is: 2,748,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,218.65 : 4,999,985.69 = 1,991,591.10 : x
  2. Step 2: Convert to fraction form
    3,623,218.65/4,999,985.69 = 1,991,591.10/x
  3. Step 3: Cross multiply
    3,623,218.65x = 4,999,985.69 × 1,991,591.10
  4. Step 4: Simplify right side
    3,623,218.65x = 9,957,926,990,373.40
  5. Step 5: Solve for x
    x = 9,957,926,990,373.40/3,623,218.65
  6. Step 6: Final answer
    x = 2,748,364.91

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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.