Home / 1,983,729.48-2,973,103.76-1,072,875.64

Finding the Fourth Proportional to 1,983,729.48, 2,973,103.76 and 1,072,875.64

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Solution

The fourth proportional to 1,983,729.48, 2,973,103.76 and 1,072,875.64 is: 1,607,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,729.48 : 2,973,103.76 = 1,072,875.64 : x
  2. Step 2: Convert to fraction form
    1,983,729.48/2,973,103.76 = 1,072,875.64/x
  3. Step 3: Cross multiply
    1,983,729.48x = 2,973,103.76 × 1,072,875.64
  4. Step 4: Simplify right side
    1,983,729.48x = 3,189,770,599,296.41
  5. Step 5: Solve for x
    x = 3,189,770,599,296.41/1,983,729.48
  6. Step 6: Final answer
    x = 1,607,966.53

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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.