Home / 2,228,373.02-3,075,191.80-1,209,777.50

Finding the Fourth Proportional to 2,228,373.02, 3,075,191.80 and 1,209,777.50

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Solution

The fourth proportional to 2,228,373.02, 3,075,191.80 and 1,209,777.50 is: 1,669,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,373.02 : 3,075,191.80 = 1,209,777.50 : x
  2. Step 2: Convert to fraction form
    2,228,373.02/3,075,191.80 = 1,209,777.50/x
  3. Step 3: Cross multiply
    2,228,373.02x = 3,075,191.80 × 1,209,777.50
  4. Step 4: Simplify right side
    2,228,373.02x = 3,720,297,847,824.50
  5. Step 5: Solve for x
    x = 3,720,297,847,824.50/2,228,373.02
  6. Step 6: Final answer
    x = 1,669,513.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.