Home / 3,120,271.10-4,676,907.45-1,603,367.90

Finding the Fourth Proportional to 3,120,271.10, 4,676,907.45 and 1,603,367.90

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Solution

The fourth proportional to 3,120,271.10, 4,676,907.45 and 1,603,367.90 is: 2,403,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,271.10 : 4,676,907.45 = 1,603,367.90 : x
  2. Step 2: Convert to fraction form
    3,120,271.10/4,676,907.45 = 1,603,367.90/x
  3. Step 3: Cross multiply
    3,120,271.10x = 4,676,907.45 × 1,603,367.90
  4. Step 4: Simplify right side
    3,120,271.10x = 7,498,803,276,600.86
  5. Step 5: Solve for x
    x = 7,498,803,276,600.86/3,120,271.10
  6. Step 6: Final answer
    x = 2,403,253.77

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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.