Finding the Fourth Proportional to 4,278,174.46, 6,417,495.42 and 1,083,328.31
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Solution
The fourth proportional to 4,278,174.46, 6,417,495.42 and 1,083,328.31 is: 1,625,051.65
Step by Step Solution
- Step 1: Write the proportion equation
4,278,174.46 : 6,417,495.42 = 1,083,328.31 : x - Step 2: Convert to fraction form
4,278,174.46/6,417,495.42 = 1,083,328.31/x - Step 3: Cross multiply
4,278,174.46x = 6,417,495.42 × 1,083,328.31 - Step 4: Simplify right side
4,278,174.46x = 6,952,254,479,762.60 - Step 5: Solve for x
x = 6,952,254,479,762.60/4,278,174.46 - Step 6: Final answer
x = 1,625,051.65
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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.