Home / 7,203,009-10,803,717.69-1,811,661.60

Finding the Fourth Proportional to 7,203,009, 10,803,717.69 and 1,811,661.60

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Solution

The fourth proportional to 7,203,009, 10,803,717.69 and 1,811,661.60 is: 2,717,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203,009 : 10,803,717.69 = 1,811,661.60 : x
  2. Step 2: Convert to fraction form
    7,203,009/10,803,717.69 = 1,811,661.60/x
  3. Step 3: Cross multiply
    7,203,009x = 10,803,717.69 × 1,811,661.60
  4. Step 4: Simplify right side
    7,203,009x = 19,572,680,476,213.70
  5. Step 5: Solve for x
    x = 19,572,680,476,213.70/7,203,009
  6. Step 6: Final answer
    x = 2,717,292.24

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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.