Finding the Fourth Proportional to 3,603,580.52, 4,972,941.46 and 1,971,987.80
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Solution
The fourth proportional to 3,603,580.52, 4,972,941.46 and 1,971,987.80 is: 2,721,343.35
Step by Step Solution
- Step 1: Write the proportion equation
3,603,580.52 : 4,972,941.46 = 1,971,987.80 : x - Step 2: Convert to fraction form
3,603,580.52/4,972,941.46 = 1,971,987.80/x - Step 3: Cross multiply
3,603,580.52x = 4,972,941.46 × 1,971,987.80 - Step 4: Simplify right side
3,603,580.52x = 9,806,579,889,234.19 - Step 5: Solve for x
x = 9,806,579,889,234.19/3,603,580.52 - Step 6: Final answer
x = 2,721,343.35
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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.