Finding the Fourth Proportional to 3,603,515.64, 4,972,774.74 and 1,971,916.44
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Solution
The fourth proportional to 3,603,515.64, 4,972,774.74 and 1,971,916.44 is: 2,721,202.64
Step by Step Solution
- Step 1: Write the proportion equation
3,603,515.64 : 4,972,774.74 = 1,971,916.44 : x - Step 2: Convert to fraction form
3,603,515.64/4,972,774.74 = 1,971,916.44/x - Step 3: Cross multiply
3,603,515.64x = 4,972,774.74 × 1,971,916.44 - Step 4: Simplify right side
3,603,515.64x = 9,805,896,262,222.73 - Step 5: Solve for x
x = 9,805,896,262,222.73/3,603,515.64 - Step 6: Final answer
x = 2,721,202.64
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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.