Home / 2,678,750.51-4,018,114.82-972,890.51

Finding the Fourth Proportional to 2,678,750.51, 4,018,114.82 and 972,890.51

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Solution

The fourth proportional to 2,678,750.51, 4,018,114.82 and 972,890.51 is: 1,459,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,750.51 : 4,018,114.82 = 972,890.51 : x
  2. Step 2: Convert to fraction form
    2,678,750.51/4,018,114.82 = 972,890.51/x
  3. Step 3: Cross multiply
    2,678,750.51x = 4,018,114.82 × 972,890.51
  4. Step 4: Simplify right side
    2,678,750.51x = 3,909,185,751,513.33
  5. Step 5: Solve for x
    x = 3,909,185,751,513.33/2,678,750.51
  6. Step 6: Final answer
    x = 1,459,331.78

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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.