Finding the Fourth Proportional to 2,403,702.80, 3,605,554.20 and 2,207,747.60
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Solution
The fourth proportional to 2,403,702.80, 3,605,554.20 and 2,207,747.60 is: 3,311,621.40
Step by Step Solution
- Step 1: Write the proportion equation
2,403,702.80 : 3,605,554.20 = 2,207,747.60 : x - Step 2: Convert to fraction form
2,403,702.80/3,605,554.20 = 2,207,747.60/x - Step 3: Cross multiply
2,403,702.80x = 3,605,554.20 × 2,207,747.60 - Step 4: Simplify right side
2,403,702.80x = 7,960,153,631,719.92 - Step 5: Solve for x
x = 7,960,153,631,719.92/2,403,702.80 - Step 6: Final answer
x = 3,311,621.40
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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.