Home / 5,100,501-7,038,691.38-2,808,656.22

Finding the Fourth Proportional to 5,100,501, 7,038,691.38 and 2,808,656.22

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Solution

The fourth proportional to 5,100,501, 7,038,691.38 and 2,808,656.22 is: 3,875,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,501 : 7,038,691.38 = 2,808,656.22 : x
  2. Step 2: Convert to fraction form
    5,100,501/7,038,691.38 = 2,808,656.22/x
  3. Step 3: Cross multiply
    5,100,501x = 7,038,691.38 × 2,808,656.22
  4. Step 4: Simplify right side
    5,100,501x = 19,769,264,325,097.38
  5. Step 5: Solve for x
    x = 19,769,264,325,097.38/5,100,501
  6. Step 6: Final answer
    x = 3,875,945.58

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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.