Home / 2,089,543.80-3,134,315.70-670,618.20

Finding the Fourth Proportional to 2,089,543.80, 3,134,315.70 and 670,618.20

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Solution

The fourth proportional to 2,089,543.80, 3,134,315.70 and 670,618.20 is: 1,005,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,543.80 : 3,134,315.70 = 670,618.20 : x
  2. Step 2: Convert to fraction form
    2,089,543.80/3,134,315.70 = 670,618.20/x
  3. Step 3: Cross multiply
    2,089,543.80x = 3,134,315.70 × 670,618.20
  4. Step 4: Simplify right side
    2,089,543.80x = 2,101,929,152,965.74
  5. Step 5: Solve for x
    x = 2,101,929,152,965.74/2,089,543.80
  6. Step 6: Final answer
    x = 1,005,927.30

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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.