Home / 1,790,722.12-2,470,813.38-1,065,428.17

Finding the Fourth Proportional to 1,790,722.12, 2,470,813.38 and 1,065,428.17

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Solution

The fourth proportional to 1,790,722.12, 2,470,813.38 and 1,065,428.17 is: 1,470,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,722.12 : 2,470,813.38 = 1,065,428.17 : x
  2. Step 2: Convert to fraction form
    1,790,722.12/2,470,813.38 = 1,065,428.17/x
  3. Step 3: Cross multiply
    1,790,722.12x = 2,470,813.38 × 1,065,428.17
  4. Step 4: Simplify right side
    1,790,722.12x = 2,632,474,181,362.40
  5. Step 5: Solve for x
    x = 2,632,474,181,362.40/1,790,722.12
  6. Step 6: Final answer
    x = 1,470,062.92

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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.