Home / 2,153,831.41-2,972,299.04-1,235,987.47

Finding the Fourth Proportional to 2,153,831.41, 2,972,299.04 and 1,235,987.47

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Solution

The fourth proportional to 2,153,831.41, 2,972,299.04 and 1,235,987.47 is: 1,705,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,831.41 : 2,972,299.04 = 1,235,987.47 : x
  2. Step 2: Convert to fraction form
    2,153,831.41/2,972,299.04 = 1,235,987.47/x
  3. Step 3: Cross multiply
    2,153,831.41x = 2,972,299.04 × 1,235,987.47
  4. Step 4: Simplify right side
    2,153,831.41x = 3,673,724,361,557.30
  5. Step 5: Solve for x
    x = 3,673,724,361,557.30/2,153,831.41
  6. Step 6: Final answer
    x = 1,705,669.42

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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.