Home / 3,075,167.20-4,612,750.80-831,305.20

Finding the Fourth Proportional to 3,075,167.20, 4,612,750.80 and 831,305.20

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Solution

The fourth proportional to 3,075,167.20, 4,612,750.80 and 831,305.20 is: 1,246,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,167.20 : 4,612,750.80 = 831,305.20 : x
  2. Step 2: Convert to fraction form
    3,075,167.20/4,612,750.80 = 831,305.20/x
  3. Step 3: Cross multiply
    3,075,167.20x = 4,612,750.80 × 831,305.20
  4. Step 4: Simplify right side
    3,075,167.20x = 3,834,603,726,344.16
  5. Step 5: Solve for x
    x = 3,834,603,726,344.16/3,075,167.20
  6. Step 6: Final answer
    x = 1,246,957.80

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1.5x scale

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.