Home / 3,190,085.76-4,402,580.42-1,813,861.34

Finding the Fourth Proportional to 3,190,085.76, 4,402,580.42 and 1,813,861.34

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Solution

The fourth proportional to 3,190,085.76, 4,402,580.42 and 1,813,861.34 is: 2,503,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,085.76 : 4,402,580.42 = 1,813,861.34 : x
  2. Step 2: Convert to fraction form
    3,190,085.76/4,402,580.42 = 1,813,861.34/x
  3. Step 3: Cross multiply
    3,190,085.76x = 4,402,580.42 × 1,813,861.34
  4. Step 4: Simplify right side
    3,190,085.76x = 7,985,670,420,078.96
  5. Step 5: Solve for x
    x = 7,985,670,420,078.96/3,190,085.76
  6. Step 6: Final answer
    x = 2,503,277.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.