Home / 1,657,121.75-2,484,676.30-1,081,172.87

Finding the Fourth Proportional to 1,657,121.75, 2,484,676.30 and 1,081,172.87

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Solution

The fourth proportional to 1,657,121.75, 2,484,676.30 and 1,081,172.87 is: 1,621,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,121.75 : 2,484,676.30 = 1,081,172.87 : x
  2. Step 2: Convert to fraction form
    1,657,121.75/2,484,676.30 = 1,081,172.87/x
  3. Step 3: Cross multiply
    1,657,121.75x = 2,484,676.30 × 1,081,172.87
  4. Step 4: Simplify right side
    1,657,121.75x = 2,686,364,606,291.98
  5. Step 5: Solve for x
    x = 2,686,364,606,291.98/1,657,121.75
  6. Step 6: Final answer
    x = 1,621,102.74

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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.