Home / 2,685,438.50-3,705,986.75-1,901,908.13

Finding the Fourth Proportional to 2,685,438.50, 3,705,986.75 and 1,901,908.13

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Solution

The fourth proportional to 2,685,438.50, 3,705,986.75 and 1,901,908.13 is: 2,624,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,438.50 : 3,705,986.75 = 1,901,908.13 : x
  2. Step 2: Convert to fraction form
    2,685,438.50/3,705,986.75 = 1,901,908.13/x
  3. Step 3: Cross multiply
    2,685,438.50x = 3,705,986.75 × 1,901,908.13
  4. Step 4: Simplify right side
    2,685,438.50x = 7,048,446,301,457.80
  5. Step 5: Solve for x
    x = 7,048,446,301,457.80/2,685,438.50
  6. Step 6: Final answer
    x = 2,624,691.02

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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.