Home / 2,190,182.95-3,022,420.30-1,223,327.35

Finding the Fourth Proportional to 2,190,182.95, 3,022,420.30 and 1,223,327.35

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Solution

The fourth proportional to 2,190,182.95, 3,022,420.30 and 1,223,327.35 is: 1,688,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,182.95 : 3,022,420.30 = 1,223,327.35 : x
  2. Step 2: Convert to fraction form
    2,190,182.95/3,022,420.30 = 1,223,327.35/x
  3. Step 3: Cross multiply
    2,190,182.95x = 3,022,420.30 × 1,223,327.35
  4. Step 4: Simplify right side
    2,190,182.95x = 3,697,409,416,185.21
  5. Step 5: Solve for x
    x = 3,697,409,416,185.21/2,190,182.95
  6. Step 6: Final answer
    x = 1,688,173.77

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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.