Finding the Fourth Proportional to 2,021,603.76, 3,032,393.36 and 505,279.12
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Solution
The fourth proportional to 2,021,603.76, 3,032,393.36 and 505,279.12 is: 757,915.61
Step by Step Solution
- Step 1: Write the proportion equation
2,021,603.76 : 3,032,393.36 = 505,279.12 : x - Step 2: Convert to fraction form
2,021,603.76/3,032,393.36 = 505,279.12/x - Step 3: Cross multiply
2,021,603.76x = 3,032,393.36 × 505,279.12 - Step 4: Simplify right side
2,021,603.76x = 1,532,205,048,434.64 - Step 5: Solve for x
x = 1,532,205,048,434.64/2,021,603.76 - Step 6: Final answer
x = 757,915.61
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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.