Home / 2,112,391.61-2,915,261.18-1,194,638.93

Finding the Fourth Proportional to 2,112,391.61, 2,915,261.18 and 1,194,638.93

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Solution

The fourth proportional to 2,112,391.61, 2,915,261.18 and 1,194,638.93 is: 1,648,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,391.61 : 2,915,261.18 = 1,194,638.93 : x
  2. Step 2: Convert to fraction form
    2,112,391.61/2,915,261.18 = 1,194,638.93/x
  3. Step 3: Cross multiply
    2,112,391.61x = 2,915,261.18 × 1,194,638.93
  4. Step 4: Simplify right side
    2,112,391.61x = 3,482,684,496,745.74
  5. Step 5: Solve for x
    x = 3,482,684,496,745.74/2,112,391.61
  6. Step 6: Final answer
    x = 1,648,692.64

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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.