Finding the Fourth Proportional to 2,972,044.18, 4,101,436.65 and 1,683,135.46
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Solution
The fourth proportional to 2,972,044.18, 4,101,436.65 and 1,683,135.46 is: 2,322,735.82
Step by Step Solution
- Step 1: Write the proportion equation
2,972,044.18 : 4,101,436.65 = 1,683,135.46 : x - Step 2: Convert to fraction form
2,972,044.18/4,101,436.65 = 1,683,135.46/x - Step 3: Cross multiply
2,972,044.18x = 4,101,436.65 × 1,683,135.46 - Step 4: Simplify right side
2,972,044.18x = 6,903,273,462,558.61 - Step 5: Solve for x
x = 6,903,273,462,558.61/2,972,044.18 - Step 6: Final answer
x = 2,322,735.82
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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.