Home / 2,166,274.15-2,989,551.73-1,199,404.41

Finding the Fourth Proportional to 2,166,274.15, 2,989,551.73 and 1,199,404.41

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Solution

The fourth proportional to 2,166,274.15, 2,989,551.73 and 1,199,404.41 is: 1,655,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,274.15 : 2,989,551.73 = 1,199,404.41 : x
  2. Step 2: Convert to fraction form
    2,166,274.15/2,989,551.73 = 1,199,404.41/x
  3. Step 3: Cross multiply
    2,166,274.15x = 2,989,551.73 × 1,199,404.41
  4. Step 4: Simplify right side
    2,166,274.15x = 3,585,681,528,885.13
  5. Step 5: Solve for x
    x = 3,585,681,528,885.13/2,166,274.15
  6. Step 6: Final answer
    x = 1,655,229.80

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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.