Home / 1,938,111.50-2,674,847.70-1,111,508.90

Finding the Fourth Proportional to 1,938,111.50, 2,674,847.70 and 1,111,508.90

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Solution

The fourth proportional to 1,938,111.50, 2,674,847.70 and 1,111,508.90 is: 1,534,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,111.50 : 2,674,847.70 = 1,111,508.90 : x
  2. Step 2: Convert to fraction form
    1,938,111.50/2,674,847.70 = 1,111,508.90/x
  3. Step 3: Cross multiply
    1,938,111.50x = 2,674,847.70 × 1,111,508.90
  4. Step 4: Simplify right side
    1,938,111.50x = 2,973,117,024,694.53
  5. Step 5: Solve for x
    x = 2,973,117,024,694.53/1,938,111.50
  6. Step 6: Final answer
    x = 1,534,027.85

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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.