Home / 1,977,417.52-2,728,811.60-1,161,695.57

Finding the Fourth Proportional to 1,977,417.52, 2,728,811.60 and 1,161,695.57

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Solution

The fourth proportional to 1,977,417.52, 2,728,811.60 and 1,161,695.57 is: 1,603,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,417.52 : 2,728,811.60 = 1,161,695.57 : x
  2. Step 2: Convert to fraction form
    1,977,417.52/2,728,811.60 = 1,161,695.57/x
  3. Step 3: Cross multiply
    1,977,417.52x = 2,728,811.60 × 1,161,695.57
  4. Step 4: Simplify right side
    1,977,417.52x = 3,170,048,336,344.79
  5. Step 5: Solve for x
    x = 3,170,048,336,344.79/1,977,417.52
  6. Step 6: Final answer
    x = 1,603,125.44

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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.