Finding the Fourth Proportional to 2,528,702.67, 3,489,929.26 and 1,658,269.66
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Solution
The fourth proportional to 2,528,702.67, 3,489,929.26 and 1,658,269.66 is: 2,288,621.70
Step by Step Solution
- Step 1: Write the proportion equation
2,528,702.67 : 3,489,929.26 = 1,658,269.66 : x - Step 2: Convert to fraction form
2,528,702.67/3,489,929.26 = 1,658,269.66/x - Step 3: Cross multiply
2,528,702.67x = 3,489,929.26 × 1,658,269.66 - Step 4: Simplify right side
2,528,702.67x = 5,787,243,807,404.25 - Step 5: Solve for x
x = 5,787,243,807,404.25/2,528,702.67 - Step 6: Final answer
x = 2,288,621.70
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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.