Home / 1,336,742.70-2,005,114.05-1,021,814.70

Finding the Fourth Proportional to 1,336,742.70, 2,005,114.05 and 1,021,814.70

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Solution

The fourth proportional to 1,336,742.70, 2,005,114.05 and 1,021,814.70 is: 1,532,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,742.70 : 2,005,114.05 = 1,021,814.70 : x
  2. Step 2: Convert to fraction form
    1,336,742.70/2,005,114.05 = 1,021,814.70/x
  3. Step 3: Cross multiply
    1,336,742.70x = 2,005,114.05 × 1,021,814.70
  4. Step 4: Simplify right side
    1,336,742.70x = 2,048,855,011,466.54
  5. Step 5: Solve for x
    x = 2,048,855,011,466.54/1,336,742.70
  6. Step 6: Final answer
    x = 1,532,722.05

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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.