Home / 1,891,225.92-2,609,879.36-1,075,429.65

Finding the Fourth Proportional to 1,891,225.92, 2,609,879.36 and 1,075,429.65

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Solution

The fourth proportional to 1,891,225.92, 2,609,879.36 and 1,075,429.65 is: 1,484,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,225.92 : 2,609,879.36 = 1,075,429.65 : x
  2. Step 2: Convert to fraction form
    1,891,225.92/2,609,879.36 = 1,075,429.65/x
  3. Step 3: Cross multiply
    1,891,225.92x = 2,609,879.36 × 1,075,429.65
  4. Step 4: Simplify right side
    1,891,225.92x = 2,806,741,641,289.88
  5. Step 5: Solve for x
    x = 2,806,741,641,289.88/1,891,225.92
  6. Step 6: Final answer
    x = 1,484,085.86

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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.