Home / 1,914,440.40-2,641,802.43-1,055,000.43

Finding the Fourth Proportional to 1,914,440.40, 2,641,802.43 and 1,055,000.43

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Solution

The fourth proportional to 1,914,440.40, 2,641,802.43 and 1,055,000.43 is: 1,455,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,440.40 : 2,641,802.43 = 1,055,000.43 : x
  2. Step 2: Convert to fraction form
    1,914,440.40/2,641,802.43 = 1,055,000.43/x
  3. Step 3: Cross multiply
    1,914,440.40x = 2,641,802.43 × 1,055,000.43
  4. Step 4: Simplify right side
    1,914,440.40x = 2,787,102,699,625.05
  5. Step 5: Solve for x
    x = 2,787,102,699,625.05/1,914,440.40
  6. Step 6: Final answer
    x = 1,455,831.53

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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.