Home / 2,143,289.51-2,957,777.67-1,176,509.69

Finding the Fourth Proportional to 2,143,289.51, 2,957,777.67 and 1,176,509.69

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Solution

The fourth proportional to 2,143,289.51, 2,957,777.67 and 1,176,509.69 is: 1,623,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,289.51 : 2,957,777.67 = 1,176,509.69 : x
  2. Step 2: Convert to fraction form
    2,143,289.51/2,957,777.67 = 1,176,509.69/x
  3. Step 3: Cross multiply
    2,143,289.51x = 2,957,777.67 × 1,176,509.69
  4. Step 4: Simplify right side
    2,143,289.51x = 3,479,854,074,831.73
  5. Step 5: Solve for x
    x = 3,479,854,074,831.73/2,143,289.51
  6. Step 6: Final answer
    x = 1,623,604.31

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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.