Home / 1,965,355.12-2,711,981.28-1,105,900.57

Finding the Fourth Proportional to 1,965,355.12, 2,711,981.28 and 1,105,900.57

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Solution

The fourth proportional to 1,965,355.12, 2,711,981.28 and 1,105,900.57 is: 1,526,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,355.12 : 2,711,981.28 = 1,105,900.57 : x
  2. Step 2: Convert to fraction form
    1,965,355.12/2,711,981.28 = 1,105,900.57/x
  3. Step 3: Cross multiply
    1,965,355.12x = 2,711,981.28 × 1,105,900.57
  4. Step 4: Simplify right side
    1,965,355.12x = 2,999,181,643,381.33
  5. Step 5: Solve for x
    x = 2,999,181,643,381.33/1,965,355.12
  6. Step 6: Final answer
    x = 1,526,025.30

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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.