Home / 2,235,383.80-3,353,075.70-815,486.20

Finding the Fourth Proportional to 2,235,383.80, 3,353,075.70 and 815,486.20

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Solution

The fourth proportional to 2,235,383.80, 3,353,075.70 and 815,486.20 is: 1,223,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,383.80 : 3,353,075.70 = 815,486.20 : x
  2. Step 2: Convert to fraction form
    2,235,383.80/3,353,075.70 = 815,486.20/x
  3. Step 3: Cross multiply
    2,235,383.80x = 3,353,075.70 × 815,486.20
  4. Step 4: Simplify right side
    2,235,383.80x = 2,734,386,960,905.34
  5. Step 5: Solve for x
    x = 2,734,386,960,905.34/2,235,383.80
  6. Step 6: Final answer
    x = 1,223,229.30

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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.