Home / 1,897,084.82-2,618,831.04-1,209,678.06

Finding the Fourth Proportional to 1,897,084.82, 2,618,831.04 and 1,209,678.06

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Solution

The fourth proportional to 1,897,084.82, 2,618,831.04 and 1,209,678.06 is: 1,669,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,084.82 : 2,618,831.04 = 1,209,678.06 : x
  2. Step 2: Convert to fraction form
    1,897,084.82/2,618,831.04 = 1,209,678.06/x
  3. Step 3: Cross multiply
    1,897,084.82x = 2,618,831.04 × 1,209,678.06
  4. Step 4: Simplify right side
    1,897,084.82x = 3,167,942,451,934.98
  5. Step 5: Solve for x
    x = 3,167,942,451,934.98/1,897,084.82
  6. Step 6: Final answer
    x = 1,669,900.27

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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.