Home / 5,455,536.16-8,183,006.40-1,669,018.72

Finding the Fourth Proportional to 5,455,536.16, 8,183,006.40 and 1,669,018.72

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Solution

The fourth proportional to 5,455,536.16, 8,183,006.40 and 1,669,018.72 is: 2,503,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,536.16 : 8,183,006.40 = 1,669,018.72 : x
  2. Step 2: Convert to fraction form
    5,455,536.16/8,183,006.40 = 1,669,018.72/x
  3. Step 3: Cross multiply
    5,455,536.16x = 8,183,006.40 × 1,669,018.72
  4. Step 4: Simplify right side
    5,455,536.16x = 13,657,590,867,479.81
  5. Step 5: Solve for x
    x = 13,657,590,867,479.81/5,455,536.16
  6. Step 6: Final answer
    x = 2,503,436.96

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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.