Home / 1,965,970.12-2,711,641.22-1,312,266.56

Finding the Fourth Proportional to 1,965,970.12, 2,711,641.22 and 1,312,266.56

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Solution

The fourth proportional to 1,965,970.12, 2,711,641.22 and 1,312,266.56 is: 1,809,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,970.12 : 2,711,641.22 = 1,312,266.56 : x
  2. Step 2: Convert to fraction form
    1,965,970.12/2,711,641.22 = 1,312,266.56/x
  3. Step 3: Cross multiply
    1,965,970.12x = 2,711,641.22 × 1,312,266.56
  4. Step 4: Simplify right side
    1,965,970.12x = 3,558,396,082,165.40
  5. Step 5: Solve for x
    x = 3,558,396,082,165.40/1,965,970.12
  6. Step 6: Final answer
    x = 1,809,995.00

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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.