Home / 1,512,847.80-2,269,271.70-1,355,254.20

Finding the Fourth Proportional to 1,512,847.80, 2,269,271.70 and 1,355,254.20

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Solution

The fourth proportional to 1,512,847.80, 2,269,271.70 and 1,355,254.20 is: 2,032,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,847.80 : 2,269,271.70 = 1,355,254.20 : x
  2. Step 2: Convert to fraction form
    1,512,847.80/2,269,271.70 = 1,355,254.20/x
  3. Step 3: Cross multiply
    1,512,847.80x = 2,269,271.70 × 1,355,254.20
  4. Step 4: Simplify right side
    1,512,847.80x = 3,075,440,002,366.14
  5. Step 5: Solve for x
    x = 3,075,440,002,366.14/1,512,847.80
  6. Step 6: Final answer
    x = 2,032,881.30

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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.