Home / 5,189,117.15-7,776,923.36-2,111,520.63

Finding the Fourth Proportional to 5,189,117.15, 7,776,923.36 and 2,111,520.63

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Solution

The fourth proportional to 5,189,117.15, 7,776,923.36 and 2,111,520.63 is: 3,164,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,117.15 : 7,776,923.36 = 2,111,520.63 : x
  2. Step 2: Convert to fraction form
    5,189,117.15/7,776,923.36 = 2,111,520.63/x
  3. Step 3: Cross multiply
    5,189,117.15x = 7,776,923.36 × 2,111,520.63
  4. Step 4: Simplify right side
    5,189,117.15x = 16,421,134,112,568.92
  5. Step 5: Solve for x
    x = 16,421,134,112,568.92/5,189,117.15
  6. Step 6: Final answer
    x = 3,164,533.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.