Home / 2,190,940.18-3,023,441.64-1,224,077.70

Finding the Fourth Proportional to 2,190,940.18, 3,023,441.64 and 1,224,077.70

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Solution

The fourth proportional to 2,190,940.18, 3,023,441.64 and 1,224,077.70 is: 1,689,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,940.18 : 3,023,441.64 = 1,224,077.70 : x
  2. Step 2: Convert to fraction form
    2,190,940.18/3,023,441.64 = 1,224,077.70/x
  3. Step 3: Cross multiply
    2,190,940.18x = 3,023,441.64 × 1,224,077.70
  4. Step 4: Simplify right side
    2,190,940.18x = 3,700,927,500,113.33
  5. Step 5: Solve for x
    x = 3,700,927,500,113.33/2,190,940.18
  6. Step 6: Final answer
    x = 1,689,196.05

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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.