Home / 2,626,419-3,939,628.56-631,875

Finding the Fourth Proportional to 2,626,419, 3,939,628.56 and 631,875

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Solution

The fourth proportional to 2,626,419, 3,939,628.56 and 631,875 is: 947,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,419 : 3,939,628.56 = 631,875 : x
  2. Step 2: Convert to fraction form
    2,626,419/3,939,628.56 = 631,875/x
  3. Step 3: Cross multiply
    2,626,419x = 3,939,628.56 × 631,875
  4. Step 4: Simplify right side
    2,626,419x = 2,489,352,796,350
  5. Step 5: Solve for x
    x = 2,489,352,796,350/2,626,419
  6. Step 6: Final answer
    x = 947,812.51

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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.