Home / 1,640,121.60-2,455,516.80-1,453,497.60

Finding the Fourth Proportional to 1,640,121.60, 2,455,516.80 and 1,453,497.60

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Solution

The fourth proportional to 1,640,121.60, 2,455,516.80 and 1,453,497.60 is: 2,176,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,121.60 : 2,455,516.80 = 1,453,497.60 : x
  2. Step 2: Convert to fraction form
    1,640,121.60/2,455,516.80 = 1,453,497.60/x
  3. Step 3: Cross multiply
    1,640,121.60x = 2,455,516.80 × 1,453,497.60
  4. Step 4: Simplify right side
    1,640,121.60x = 3,569,087,775,559.68
  5. Step 5: Solve for x
    x = 3,569,087,775,559.68/1,640,121.60
  6. Step 6: Final answer
    x = 2,176,111.68

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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.