Home / 3,169,969.34-4,374,557.69-1,811,871.50

Finding the Fourth Proportional to 3,169,969.34, 4,374,557.69 and 1,811,871.50

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Solution

The fourth proportional to 3,169,969.34, 4,374,557.69 and 1,811,871.50 is: 2,500,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,969.34 : 4,374,557.69 = 1,811,871.50 : x
  2. Step 2: Convert to fraction form
    3,169,969.34/4,374,557.69 = 1,811,871.50/x
  3. Step 3: Cross multiply
    3,169,969.34x = 4,374,557.69 × 1,811,871.50
  4. Step 4: Simplify right side
    3,169,969.34x = 7,926,136,403,616.84
  5. Step 5: Solve for x
    x = 7,926,136,403,616.84/3,169,969.34
  6. Step 6: Final answer
    x = 2,500,382.67

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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.