Home / 2,191,184.36-3,023,777.50-1,224,321.38

Finding the Fourth Proportional to 2,191,184.36, 3,023,777.50 and 1,224,321.38

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Solution

The fourth proportional to 2,191,184.36, 3,023,777.50 and 1,224,321.38 is: 1,689,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,184.36 : 3,023,777.50 = 1,224,321.38 : x
  2. Step 2: Convert to fraction form
    2,191,184.36/3,023,777.50 = 1,224,321.38/x
  3. Step 3: Cross multiply
    2,191,184.36x = 3,023,777.50 × 1,224,321.38
  4. Step 4: Simplify right side
    2,191,184.36x = 3,702,075,426,494.06
  5. Step 5: Solve for x
    x = 3,702,075,426,494.06/2,191,184.36
  6. Step 6: Final answer
    x = 1,689,531.70

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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.