Finding the Fourth Proportional to 2,528,702.12, 3,489,928.51 and 1,658,269.12
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Solution
The fourth proportional to 2,528,702.12, 3,489,928.51 and 1,658,269.12 is: 2,288,620.96
Step by Step Solution
- Step 1: Write the proportion equation
2,528,702.12 : 3,489,928.51 = 1,658,269.12 : x - Step 2: Convert to fraction form
2,528,702.12/3,489,928.51 = 1,658,269.12/x - Step 3: Cross multiply
2,528,702.12x = 3,489,928.51 × 1,658,269.12 - Step 4: Simplify right side
2,528,702.12x = 5,787,240,666,270.12 - Step 5: Solve for x
x = 5,787,240,666,270.12/2,528,702.12 - Step 6: Final answer
x = 2,288,620.96
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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.