Finding the Fourth Proportional to 4,540,012.99, 6,810,145.44 and 1,128,161.77
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Solution
The fourth proportional to 4,540,012.99, 6,810,145.44 and 1,128,161.77 is: 1,692,273.95
Step by Step Solution
- Step 1: Write the proportion equation
4,540,012.99 : 6,810,145.44 = 1,128,161.77 : x - Step 2: Convert to fraction form
4,540,012.99/6,810,145.44 = 1,128,161.77/x - Step 3: Cross multiply
4,540,012.99x = 6,810,145.44 × 1,128,161.77 - Step 4: Simplify right side
4,540,012.99x = 7,682,945,733,547.83 - Step 5: Solve for x
x = 7,682,945,733,547.83/4,540,012.99 - Step 6: Final answer
x = 1,692,273.95
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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.