Finding the Fourth Proportional to 3,603,523.48, 4,972,862.86 and 1,971,931.18
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Solution
The fourth proportional to 3,603,523.48, 4,972,862.86 and 1,971,931.18 is: 2,721,265.28
Step by Step Solution
- Step 1: Write the proportion equation
3,603,523.48 : 4,972,862.86 = 1,971,931.18 : x - Step 2: Convert to fraction form
3,603,523.48/4,972,862.86 = 1,971,931.18/x - Step 3: Cross multiply
3,603,523.48x = 4,972,862.86 × 1,971,931.18 - Step 4: Simplify right side
3,603,523.48x = 9,806,143,327,497.98 - Step 5: Solve for x
x = 9,806,143,327,497.98/3,603,523.48 - Step 6: Final answer
x = 2,721,265.28
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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.