Home / 4,151,022.89-6,226,720.83-1,272,178.80

Finding the Fourth Proportional to 4,151,022.89, 6,226,720.83 and 1,272,178.80

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Solution

The fourth proportional to 4,151,022.89, 6,226,720.83 and 1,272,178.80 is: 1,908,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151,022.89 : 6,226,720.83 = 1,272,178.80 : x
  2. Step 2: Convert to fraction form
    4,151,022.89/6,226,720.83 = 1,272,178.80/x
  3. Step 3: Cross multiply
    4,151,022.89x = 6,226,720.83 × 1,272,178.80
  4. Step 4: Simplify right side
    4,151,022.89x = 7,921,502,233,444.40
  5. Step 5: Solve for x
    x = 7,921,502,233,444.40/4,151,022.89
  6. Step 6: Final answer
    x = 1,908,325.36

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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.