Home / 3,009,995.48-4,515,001.98-1,280,419.71

Finding the Fourth Proportional to 3,009,995.48, 4,515,001.98 and 1,280,419.71

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Solution

The fourth proportional to 3,009,995.48, 4,515,001.98 and 1,280,419.71 is: 1,920,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,995.48 : 4,515,001.98 = 1,280,419.71 : x
  2. Step 2: Convert to fraction form
    3,009,995.48/4,515,001.98 = 1,280,419.71/x
  3. Step 3: Cross multiply
    3,009,995.48x = 4,515,001.98 × 1,280,419.71
  4. Step 4: Simplify right side
    3,009,995.48x = 5,781,097,512,613.82
  5. Step 5: Solve for x
    x = 5,781,097,512,613.82/3,009,995.48
  6. Step 6: Final answer
    x = 1,920,633.29

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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.