Home / 2,124,429.88-2,931,495.96-1,193,989.36

Finding the Fourth Proportional to 2,124,429.88, 2,931,495.96 and 1,193,989.36

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Solution

The fourth proportional to 2,124,429.88, 2,931,495.96 and 1,193,989.36 is: 1,647,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,429.88 : 2,931,495.96 = 1,193,989.36 : x
  2. Step 2: Convert to fraction form
    2,124,429.88/2,931,495.96 = 1,193,989.36/x
  3. Step 3: Cross multiply
    2,124,429.88x = 2,931,495.96 × 1,193,989.36
  4. Step 4: Simplify right side
    2,124,429.88x = 3,500,174,985,122.99
  5. Step 5: Solve for x
    x = 3,500,174,985,122.99/2,124,429.88
  6. Step 6: Final answer
    x = 1,647,583.20

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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.