Finding the Fourth Proportional to 1,580,702.40, 2,181,369.15 and 855,549.99
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Solution
The fourth proportional to 1,580,702.40, 2,181,369.15 and 855,549.99 is: 1,180,658.90
Step by Step Solution
- Step 1: Write the proportion equation
1,580,702.40 : 2,181,369.15 = 855,549.99 : x - Step 2: Convert to fraction form
1,580,702.40/2,181,369.15 = 855,549.99/x - Step 3: Cross multiply
1,580,702.40x = 2,181,369.15 × 855,549.99 - Step 4: Simplify right side
1,580,702.40x = 1,866,270,354,468.81 - Step 5: Solve for x
x = 1,866,270,354,468.81/1,580,702.40 - Step 6: Final answer
x = 1,180,658.90
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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.