Home / 1,640,154.67-2,263,414.41-915,002.39

Finding the Fourth Proportional to 1,640,154.67, 2,263,414.41 and 915,002.39

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Solution

The fourth proportional to 1,640,154.67, 2,263,414.41 and 915,002.39 is: 1,262,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,154.67 : 2,263,414.41 = 915,002.39 : x
  2. Step 2: Convert to fraction form
    1,640,154.67/2,263,414.41 = 915,002.39/x
  3. Step 3: Cross multiply
    1,640,154.67x = 2,263,414.41 × 915,002.39
  4. Step 4: Simplify right side
    1,640,154.67x = 2,071,029,602,942.42
  5. Step 5: Solve for x
    x = 2,071,029,602,942.42/1,640,154.67
  6. Step 6: Final answer
    x = 1,262,703.84

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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.