Home / 3,169,967.09-4,374,554.58-1,811,869.25

Finding the Fourth Proportional to 3,169,967.09, 4,374,554.58 and 1,811,869.25

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Solution

The fourth proportional to 3,169,967.09, 4,374,554.58 and 1,811,869.25 is: 2,500,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,967.09 : 4,374,554.58 = 1,811,869.25 : x
  2. Step 2: Convert to fraction form
    3,169,967.09/4,374,554.58 = 1,811,869.25/x
  3. Step 3: Cross multiply
    3,169,967.09x = 4,374,554.58 × 1,811,869.25
  4. Step 4: Simplify right side
    3,169,967.09x = 7,926,120,904,075.89
  5. Step 5: Solve for x
    x = 7,926,120,904,075.89/3,169,967.09
  6. Step 6: Final answer
    x = 2,500,379.56

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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.