Home / 1,581,104.98-2,181,931.80-855,952.67

Finding the Fourth Proportional to 1,581,104.98, 2,181,931.80 and 855,952.67

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Solution

The fourth proportional to 1,581,104.98, 2,181,931.80 and 855,952.67 is: 1,181,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,104.98 : 2,181,931.80 = 855,952.67 : x
  2. Step 2: Convert to fraction form
    1,581,104.98/2,181,931.80 = 855,952.67/x
  3. Step 3: Cross multiply
    1,581,104.98x = 2,181,931.80 × 855,952.67
  4. Step 4: Simplify right side
    1,581,104.98x = 1,867,630,355,552.60
  5. Step 5: Solve for x
    x = 1,867,630,355,552.60/1,581,104.98
  6. Step 6: Final answer
    x = 1,181,218.44

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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.