Finding the Fourth Proportional to 1,548,603.93, 2,137,414.74 and 860,511.78
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Solution
The fourth proportional to 1,548,603.93, 2,137,414.74 and 860,511.78 is: 1,187,695.92
Step by Step Solution
- Step 1: Write the proportion equation
1,548,603.93 : 2,137,414.74 = 860,511.78 : x - Step 2: Convert to fraction form
1,548,603.93/2,137,414.74 = 860,511.78/x - Step 3: Cross multiply
1,548,603.93x = 2,137,414.74 × 860,511.78 - Step 4: Simplify right side
1,548,603.93x = 1,839,270,562,515.64 - Step 5: Solve for x
x = 1,839,270,562,515.64/1,548,603.93 - Step 6: Final answer
x = 1,187,695.92
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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.