Home / 3,415,345.40-5,123,018.10-3,205,220.60

Finding the Fourth Proportional to 3,415,345.40, 5,123,018.10 and 3,205,220.60

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Solution

The fourth proportional to 3,415,345.40, 5,123,018.10 and 3,205,220.60 is: 4,807,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,345.40 : 5,123,018.10 = 3,205,220.60 : x
  2. Step 2: Convert to fraction form
    3,415,345.40/5,123,018.10 = 3,205,220.60/x
  3. Step 3: Cross multiply
    3,415,345.40x = 5,123,018.10 × 3,205,220.60
  4. Step 4: Simplify right side
    3,415,345.40x = 16,420,403,148,292.86
  5. Step 5: Solve for x
    x = 16,420,403,148,292.86/3,415,345.40
  6. Step 6: Final answer
    x = 4,807,830.90

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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.