Home / 2,626,809.16-3,940,437.30-829,211.80

Finding the Fourth Proportional to 2,626,809.16, 3,940,437.30 and 829,211.80

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Solution

The fourth proportional to 2,626,809.16, 3,940,437.30 and 829,211.80 is: 1,243,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,809.16 : 3,940,437.30 = 829,211.80 : x
  2. Step 2: Convert to fraction form
    2,626,809.16/3,940,437.30 = 829,211.80/x
  3. Step 3: Cross multiply
    2,626,809.16x = 3,940,437.30 × 829,211.80
  4. Step 4: Simplify right side
    2,626,809.16x = 3,267,457,106,320.14
  5. Step 5: Solve for x
    x = 3,267,457,106,320.14/2,626,809.16
  6. Step 6: Final answer
    x = 1,243,888.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.