Finding the Fourth Proportional to 3,027,709.02, 4,178,339.34 and 1,651,128.06
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Solution
The fourth proportional to 3,027,709.02, 4,178,339.34 and 1,651,128.06 is: 2,278,611.74
Step by Step Solution
- Step 1: Write the proportion equation
3,027,709.02 : 4,178,339.34 = 1,651,128.06 : x - Step 2: Convert to fraction form
3,027,709.02/4,178,339.34 = 1,651,128.06/x - Step 3: Cross multiply
3,027,709.02x = 4,178,339.34 × 1,651,128.06 - Step 4: Simplify right side
3,027,709.02x = 6,898,973,328,475.88 - Step 5: Solve for x
x = 6,898,973,328,475.88/3,027,709.02 - Step 6: Final answer
x = 2,278,611.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.