Home / 5,183,964.21-7,779,417.80-2,151,332.85

Finding the Fourth Proportional to 5,183,964.21, 7,779,417.80 and 2,151,332.85

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Solution

The fourth proportional to 5,183,964.21, 7,779,417.80 and 2,151,332.85 is: 3,228,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,964.21 : 7,779,417.80 = 2,151,332.85 : x
  2. Step 2: Convert to fraction form
    5,183,964.21/7,779,417.80 = 2,151,332.85/x
  3. Step 3: Cross multiply
    5,183,964.21x = 7,779,417.80 × 2,151,332.85
  4. Step 4: Simplify right side
    5,183,964.21x = 16,736,117,056,258.07
  5. Step 5: Solve for x
    x = 16,736,117,056,258.07/5,183,964.21
  6. Step 6: Final answer
    x = 3,228,439.93

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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.