Home / 2,089,563.80-3,134,345.70-670,638.20

Finding the Fourth Proportional to 2,089,563.80, 3,134,345.70 and 670,638.20

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Solution

The fourth proportional to 2,089,563.80, 3,134,345.70 and 670,638.20 is: 1,005,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,563.80 : 3,134,345.70 = 670,638.20 : x
  2. Step 2: Convert to fraction form
    2,089,563.80/3,134,345.70 = 670,638.20/x
  3. Step 3: Cross multiply
    2,089,563.80x = 3,134,345.70 × 670,638.20
  4. Step 4: Simplify right side
    2,089,563.80x = 2,102,011,958,425.74
  5. Step 5: Solve for x
    x = 2,102,011,958,425.74/2,089,563.80
  6. Step 6: Final answer
    x = 1,005,957.30

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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.