Home / 3,921,750.18-5,411,175.66-2,289,416.76

Finding the Fourth Proportional to 3,921,750.18, 5,411,175.66 and 2,289,416.76

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Solution

The fourth proportional to 3,921,750.18, 5,411,175.66 and 2,289,416.76 is: 3,158,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,750.18 : 5,411,175.66 = 2,289,416.76 : x
  2. Step 2: Convert to fraction form
    3,921,750.18/5,411,175.66 = 2,289,416.76/x
  3. Step 3: Cross multiply
    3,921,750.18x = 5,411,175.66 × 2,289,416.76
  4. Step 4: Simplify right side
    3,921,750.18x = 12,388,436,247,308.06
  5. Step 5: Solve for x
    x = 12,388,436,247,308.06/3,921,750.18
  6. Step 6: Final answer
    x = 3,158,905.00

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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.