Home / 3,621,780.90-5,430,703.05-1,492,080.30

Finding the Fourth Proportional to 3,621,780.90, 5,430,703.05 and 1,492,080.30

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Solution

The fourth proportional to 3,621,780.90, 5,430,703.05 and 1,492,080.30 is: 2,237,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,780.90 : 5,430,703.05 = 1,492,080.30 : x
  2. Step 2: Convert to fraction form
    3,621,780.90/5,430,703.05 = 1,492,080.30/x
  3. Step 3: Cross multiply
    3,621,780.90x = 5,430,703.05 × 1,492,080.30
  4. Step 4: Simplify right side
    3,621,780.90x = 8,103,045,036,054.92
  5. Step 5: Solve for x
    x = 8,103,045,036,054.92/3,621,780.90
  6. Step 6: Final answer
    x = 2,237,309.56

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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.