Home / 2,556,816.76-3,528,384.94-1,395,286

Finding the Fourth Proportional to 2,556,816.76, 3,528,384.94 and 1,395,286

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Solution

The fourth proportional to 2,556,816.76, 3,528,384.94 and 1,395,286 is: 1,925,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,816.76 : 3,528,384.94 = 1,395,286 : x
  2. Step 2: Convert to fraction form
    2,556,816.76/3,528,384.94 = 1,395,286/x
  3. Step 3: Cross multiply
    2,556,816.76x = 3,528,384.94 × 1,395,286
  4. Step 4: Simplify right side
    2,556,816.76x = 4,923,106,109,392.84
  5. Step 5: Solve for x
    x = 4,923,106,109,392.84/2,556,816.76
  6. Step 6: Final answer
    x = 1,925,482.57

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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.