Home / 2,131,831.86-2,942,228.00-1,357,215.24

Finding the Fourth Proportional to 2,131,831.86, 2,942,228.00 and 1,357,215.24

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Solution

The fourth proportional to 2,131,831.86, 2,942,228.00 and 1,357,215.24 is: 1,873,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,831.86 : 2,942,228.00 = 1,357,215.24 : x
  2. Step 2: Convert to fraction form
    2,131,831.86/2,942,228.00 = 1,357,215.24/x
  3. Step 3: Cross multiply
    2,131,831.86x = 2,942,228.00 × 1,357,215.24
  4. Step 4: Simplify right side
    2,131,831.86x = 3,993,236,695,581.11
  5. Step 5: Solve for x
    x = 3,993,236,695,581.11/2,131,831.86
  6. Step 6: Final answer
    x = 1,873,148.05

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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.