Home / 2,129,762.60-3,194,643.90-1,955,580.20

Finding the Fourth Proportional to 2,129,762.60, 3,194,643.90 and 1,955,580.20

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Solution

The fourth proportional to 2,129,762.60, 3,194,643.90 and 1,955,580.20 is: 2,933,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,762.60 : 3,194,643.90 = 1,955,580.20 : x
  2. Step 2: Convert to fraction form
    2,129,762.60/3,194,643.90 = 1,955,580.20/x
  3. Step 3: Cross multiply
    2,129,762.60x = 3,194,643.90 × 1,955,580.20
  4. Step 4: Simplify right side
    2,129,762.60x = 6,247,382,356,890.78
  5. Step 5: Solve for x
    x = 6,247,382,356,890.78/2,129,762.60
  6. Step 6: Final answer
    x = 2,933,370.30

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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.