Home / 1,972,200.40-2,964,900.28-1,556,487.12

Finding the Fourth Proportional to 1,972,200.40, 2,964,900.28 and 1,556,487.12

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Solution

The fourth proportional to 1,972,200.40, 2,964,900.28 and 1,556,487.12 is: 2,339,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,200.40 : 2,964,900.28 = 1,556,487.12 : x
  2. Step 2: Convert to fraction form
    1,972,200.40/2,964,900.28 = 1,556,487.12/x
  3. Step 3: Cross multiply
    1,972,200.40x = 2,964,900.28 × 1,556,487.12
  4. Step 4: Simplify right side
    1,972,200.40x = 4,614,829,097,904.39
  5. Step 5: Solve for x
    x = 4,614,829,097,904.39/1,972,200.40
  6. Step 6: Final answer
    x = 2,339,939.24

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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.