Home / 1,603,110.10-2,213,790.60-1,031,143.18

Finding the Fourth Proportional to 1,603,110.10, 2,213,790.60 and 1,031,143.18

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Solution

The fourth proportional to 1,603,110.10, 2,213,790.60 and 1,031,143.18 is: 1,423,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,110.10 : 2,213,790.60 = 1,031,143.18 : x
  2. Step 2: Convert to fraction form
    1,603,110.10/2,213,790.60 = 1,031,143.18/x
  3. Step 3: Cross multiply
    1,603,110.10x = 2,213,790.60 × 1,031,143.18
  4. Step 4: Simplify right side
    1,603,110.10x = 2,282,735,079,138.11
  5. Step 5: Solve for x
    x = 2,282,735,079,138.11/1,603,110.10
  6. Step 6: Final answer
    x = 1,423,941.55

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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.