Home / 2,509,479.29-3,463,075.55-1,421,748.65

Finding the Fourth Proportional to 2,509,479.29, 3,463,075.55 and 1,421,748.65

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Solution

The fourth proportional to 2,509,479.29, 3,463,075.55 and 1,421,748.65 is: 1,962,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,479.29 : 3,463,075.55 = 1,421,748.65 : x
  2. Step 2: Convert to fraction form
    2,509,479.29/3,463,075.55 = 1,421,748.65/x
  3. Step 3: Cross multiply
    2,509,479.29x = 3,463,075.55 × 1,421,748.65
  4. Step 4: Simplify right side
    2,509,479.29x = 4,923,622,980,951.76
  5. Step 5: Solve for x
    x = 4,923,622,980,951.76/2,509,479.29
  6. Step 6: Final answer
    x = 1,962,009.81

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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.