Home / 2,717,039.21-4,075,308.93-919,717.25

Finding the Fourth Proportional to 2,717,039.21, 4,075,308.93 and 919,717.25

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Solution

The fourth proportional to 2,717,039.21, 4,075,308.93 and 919,717.25 is: 1,379,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717,039.21 : 4,075,308.93 = 919,717.25 : x
  2. Step 2: Convert to fraction form
    2,717,039.21/4,075,308.93 = 919,717.25/x
  3. Step 3: Cross multiply
    2,717,039.21x = 4,075,308.93 × 919,717.25
  4. Step 4: Simplify right side
    2,717,039.21x = 3,748,131,922,000.04
  5. Step 5: Solve for x
    x = 3,748,131,922,000.04/2,717,039.21
  6. Step 6: Final answer
    x = 1,379,491.29

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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.