Home / 2,929,809.70-4,043,043.21-1,623,007.90

Finding the Fourth Proportional to 2,929,809.70, 4,043,043.21 and 1,623,007.90

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Solution

The fourth proportional to 2,929,809.70, 4,043,043.21 and 1,623,007.90 is: 2,239,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,809.70 : 4,043,043.21 = 1,623,007.90 : x
  2. Step 2: Convert to fraction form
    2,929,809.70/4,043,043.21 = 1,623,007.90/x
  3. Step 3: Cross multiply
    2,929,809.70x = 4,043,043.21 × 1,623,007.90
  4. Step 4: Simplify right side
    2,929,809.70x = 6,561,891,069,871.36
  5. Step 5: Solve for x
    x = 6,561,891,069,871.36/2,929,809.70
  6. Step 6: Final answer
    x = 2,239,698.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.