Home / 2,717,031.40-4,075,297.21-919,709.44

Finding the Fourth Proportional to 2,717,031.40, 4,075,297.21 and 919,709.44

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Solution

The fourth proportional to 2,717,031.40, 4,075,297.21 and 919,709.44 is: 1,379,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717,031.40 : 4,075,297.21 = 919,709.44 : x
  2. Step 2: Convert to fraction form
    2,717,031.40/4,075,297.21 = 919,709.44/x
  3. Step 3: Cross multiply
    2,717,031.40x = 4,075,297.21 × 919,709.44
  4. Step 4: Simplify right side
    2,717,031.40x = 3,748,089,305,804.06
  5. Step 5: Solve for x
    x = 3,748,089,305,804.06/2,717,031.40
  6. Step 6: Final answer
    x = 1,379,479.57

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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.