Finding the Fourth Proportional to 1,539,695.25, 2,124,735.30 and 851,355.09
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Solution
The fourth proportional to 1,539,695.25, 2,124,735.30 and 851,355.09 is: 1,174,845.61
Step by Step Solution
- Step 1: Write the proportion equation
1,539,695.25 : 2,124,735.30 = 851,355.09 : x - Step 2: Convert to fraction form
1,539,695.25/2,124,735.30 = 851,355.09/x - Step 3: Cross multiply
1,539,695.25x = 2,124,735.30 × 851,355.09 - Step 4: Simplify right side
1,539,695.25x = 1,808,904,212,557.68 - Step 5: Solve for x
x = 1,808,904,212,557.68/1,539,695.25 - Step 6: Final answer
x = 1,174,845.61
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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.