Home / 7,180,642.76-10,770,939.36-1,789,296.93

Finding the Fourth Proportional to 7,180,642.76, 10,770,939.36 and 1,789,296.93

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Solution

The fourth proportional to 7,180,642.76, 10,770,939.36 and 1,789,296.93 is: 2,683,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,642.76 : 10,770,939.36 = 1,789,296.93 : x
  2. Step 2: Convert to fraction form
    7,180,642.76/10,770,939.36 = 1,789,296.93/x
  3. Step 3: Cross multiply
    7,180,642.76x = 10,770,939.36 × 1,789,296.93
  4. Step 4: Simplify right side
    7,180,642.76x = 19,272,408,730,064.16
  5. Step 5: Solve for x
    x = 19,272,408,730,064.16/7,180,642.76
  6. Step 6: Final answer
    x = 2,683,939.22

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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.