Home / 3,115,231.76-4,299,075.81-1,827,001.28

Finding the Fourth Proportional to 3,115,231.76, 4,299,075.81 and 1,827,001.28

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Solution

The fourth proportional to 3,115,231.76, 4,299,075.81 and 1,827,001.28 is: 2,521,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,231.76 : 4,299,075.81 = 1,827,001.28 : x
  2. Step 2: Convert to fraction form
    3,115,231.76/4,299,075.81 = 1,827,001.28/x
  3. Step 3: Cross multiply
    3,115,231.76x = 4,299,075.81 × 1,827,001.28
  4. Step 4: Simplify right side
    3,115,231.76x = 7,854,416,986,191.66
  5. Step 5: Solve for x
    x = 7,854,416,986,191.66/3,115,231.76
  6. Step 6: Final answer
    x = 2,521,294.60

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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.