Finding the Fourth Proportional to 1,539,804.76, 2,124,944.31 and 851,523.19
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Solution
The fourth proportional to 1,539,804.76, 2,124,944.31 and 851,523.19 is: 1,175,109.60
Step by Step Solution
- Step 1: Write the proportion equation
1,539,804.76 : 2,124,944.31 = 851,523.19 : x - Step 2: Convert to fraction form
1,539,804.76/2,124,944.31 = 851,523.19/x - Step 3: Cross multiply
1,539,804.76x = 2,124,944.31 × 851,523.19 - Step 4: Simplify right side
1,539,804.76x = 1,809,439,355,304.40 - Step 5: Solve for x
x = 1,809,439,355,304.40/1,539,804.76 - Step 6: Final answer
x = 1,175,109.60
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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.