Finding the Fourth Proportional to 1,539,450.88, 2,124,436.88 and 860,387.40
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Solution
The fourth proportional to 1,539,450.88, 2,124,436.88 and 860,387.40 is: 1,187,331.63
Step by Step Solution
- Step 1: Write the proportion equation
1,539,450.88 : 2,124,436.88 = 860,387.40 : x - Step 2: Convert to fraction form
1,539,450.88/2,124,436.88 = 860,387.40/x - Step 3: Cross multiply
1,539,450.88x = 2,124,436.88 × 860,387.40 - Step 4: Simplify right side
1,539,450.88x = 1,827,838,723,647.31 - Step 5: Solve for x
x = 1,827,838,723,647.31/1,539,450.88 - Step 6: Final answer
x = 1,187,331.63
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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.