Home / 5,207,254-7,812,128.07-2,172,931.94

Finding the Fourth Proportional to 5,207,254, 7,812,128.07 and 2,172,931.94

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Solution

The fourth proportional to 5,207,254, 7,812,128.07 and 2,172,931.94 is: 3,259,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207,254 : 7,812,128.07 = 2,172,931.94 : x
  2. Step 2: Convert to fraction form
    5,207,254/7,812,128.07 = 2,172,931.94/x
  3. Step 3: Cross multiply
    5,207,254x = 7,812,128.07 × 2,172,931.94
  4. Step 4: Simplify right side
    5,207,254x = 16,975,222,602,673.56
  5. Step 5: Solve for x
    x = 16,975,222,602,673.56/5,207,254
  6. Step 6: Final answer
    x = 3,259,918.30

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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.