Home / 3,216,417.76-4,823,889.60-1,919,936.08

Finding the Fourth Proportional to 3,216,417.76, 4,823,889.60 and 1,919,936.08

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Solution

The fourth proportional to 3,216,417.76, 4,823,889.60 and 1,919,936.08 is: 2,879,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216,417.76 : 4,823,889.60 = 1,919,936.08 : x
  2. Step 2: Convert to fraction form
    3,216,417.76/4,823,889.60 = 1,919,936.08/x
  3. Step 3: Cross multiply
    3,216,417.76x = 4,823,889.60 × 1,919,936.08
  4. Step 4: Simplify right side
    3,216,417.76x = 9,261,559,688,976.77
  5. Step 5: Solve for x
    x = 9,261,559,688,976.77/3,216,417.76
  6. Step 6: Final answer
    x = 2,879,464.17

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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.