Home / 5,811,164.79-8,716,747.13-2,118,465.51

Finding the Fourth Proportional to 5,811,164.79, 8,716,747.13 and 2,118,465.51

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Solution

The fourth proportional to 5,811,164.79, 8,716,747.13 and 2,118,465.51 is: 3,177,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811,164.79 : 8,716,747.13 = 2,118,465.51 : x
  2. Step 2: Convert to fraction form
    5,811,164.79/8,716,747.13 = 2,118,465.51/x
  3. Step 3: Cross multiply
    5,811,164.79x = 8,716,747.13 × 2,118,465.51
  4. Step 4: Simplify right side
    5,811,164.79x = 18,466,128,154,296.48
  5. Step 5: Solve for x
    x = 18,466,128,154,296.48/5,811,164.79
  6. Step 6: Final answer
    x = 3,177,698.24

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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.