Finding the Fourth Proportional to 3,347,402.16, 5,021,138.28 and 1,326,138
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Solution
The fourth proportional to 3,347,402.16, 5,021,138.28 and 1,326,138 is: 1,989,220.88
Step by Step Solution
- Step 1: Write the proportion equation
3,347,402.16 : 5,021,138.28 = 1,326,138 : x - Step 2: Convert to fraction form
3,347,402.16/5,021,138.28 = 1,326,138/x - Step 3: Cross multiply
3,347,402.16x = 5,021,138.28 × 1,326,138 - Step 4: Simplify right side
3,347,402.16x = 6,658,722,276,362.64 - Step 5: Solve for x
x = 6,658,722,276,362.64/3,347,402.16 - Step 6: Final answer
x = 1,989,220.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.