Home / 1,983,334.12-2,975,000.93-1,309,257.49

Finding the Fourth Proportional to 1,983,334.12, 2,975,000.93 and 1,309,257.49

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Solution

The fourth proportional to 1,983,334.12, 2,975,000.93 and 1,309,257.49 is: 1,963,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,334.12 : 2,975,000.93 = 1,309,257.49 : x
  2. Step 2: Convert to fraction form
    1,983,334.12/2,975,000.93 = 1,309,257.49/x
  3. Step 3: Cross multiply
    1,983,334.12x = 2,975,000.93 × 1,309,257.49
  4. Step 4: Simplify right side
    1,983,334.12x = 3,895,042,250,359.47
  5. Step 5: Solve for x
    x = 3,895,042,250,359.47/1,983,334.12
  6. Step 6: Final answer
    x = 1,963,886.07

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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.