Finding the Fourth Proportional to 1,539,509.37, 2,124,486.22 and 860,509.05
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Solution
The fourth proportional to 1,539,509.37, 2,124,486.22 and 860,509.05 is: 1,187,481.97
Step by Step Solution
- Step 1: Write the proportion equation
1,539,509.37 : 2,124,486.22 = 860,509.05 : x - Step 2: Convert to fraction form
1,539,509.37/2,124,486.22 = 860,509.05/x - Step 3: Cross multiply
1,539,509.37x = 2,124,486.22 × 860,509.05 - Step 4: Simplify right side
1,539,509.37x = 1,828,139,618,910.29 - Step 5: Solve for x
x = 1,828,139,618,910.29/1,539,509.37 - Step 6: Final answer
x = 1,187,481.97
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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.