Home / 2,629,863.20-3,944,794.80-1,031,603.60

Finding the Fourth Proportional to 2,629,863.20, 3,944,794.80 and 1,031,603.60

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Solution

The fourth proportional to 2,629,863.20, 3,944,794.80 and 1,031,603.60 is: 1,547,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,863.20 : 3,944,794.80 = 1,031,603.60 : x
  2. Step 2: Convert to fraction form
    2,629,863.20/3,944,794.80 = 1,031,603.60/x
  3. Step 3: Cross multiply
    2,629,863.20x = 3,944,794.80 × 1,031,603.60
  4. Step 4: Simplify right side
    2,629,863.20x = 4,069,464,516,941.28
  5. Step 5: Solve for x
    x = 4,069,464,516,941.28/2,629,863.20
  6. Step 6: Final answer
    x = 1,547,405.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.