Home / 5,265,075-7,897,612.53-1,275,987

Finding the Fourth Proportional to 5,265,075, 7,897,612.53 and 1,275,987

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Solution

The fourth proportional to 5,265,075, 7,897,612.53 and 1,275,987 is: 1,913,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,075 : 7,897,612.53 = 1,275,987 : x
  2. Step 2: Convert to fraction form
    5,265,075/7,897,612.53 = 1,275,987/x
  3. Step 3: Cross multiply
    5,265,075x = 7,897,612.53 × 1,275,987
  4. Step 4: Simplify right side
    5,265,075x = 10,077,250,919,317.11
  5. Step 5: Solve for x
    x = 10,077,250,919,317.11/5,265,075
  6. Step 6: Final answer
    x = 1,913,980.51

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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.