Home / 1,983,337.38-2,975,005.80-1,309,260.74

Finding the Fourth Proportional to 1,983,337.38, 2,975,005.80 and 1,309,260.74

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Solution

The fourth proportional to 1,983,337.38, 2,975,005.80 and 1,309,260.74 is: 1,963,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,337.38 : 2,975,005.80 = 1,309,260.74 : x
  2. Step 2: Convert to fraction form
    1,983,337.38/2,975,005.80 = 1,309,260.74/x
  3. Step 3: Cross multiply
    1,983,337.38x = 2,975,005.80 × 1,309,260.74
  4. Step 4: Simplify right side
    1,983,337.38x = 3,895,058,295,212.29
  5. Step 5: Solve for x
    x = 3,895,058,295,212.29/1,983,337.38
  6. Step 6: Final answer
    x = 1,963,890.93

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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.