Finding the Fourth Proportional to 5,313,132.23, 7,970,708.71 and 3,678,702.08
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Solution
The fourth proportional to 5,313,132.23, 7,970,708.71 and 3,678,702.08 is: 5,518,752.67
Step by Step Solution
- Step 1: Write the proportion equation
5,313,132.23 : 7,970,708.71 = 3,678,702.08 : x - Step 2: Convert to fraction form
5,313,132.23/7,970,708.71 = 3,678,702.08/x - Step 3: Cross multiply
5,313,132.23x = 7,970,708.71 × 3,678,702.08 - Step 4: Simplify right side
5,313,132.23x = 29,321,862,675,295.95 - Step 5: Solve for x
x = 29,321,862,675,295.95/5,313,132.23 - Step 6: Final answer
x = 5,518,752.67
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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.