Finding the Fourth Proportional to 1,831,994.08, 2,528,192.35 and 1,016,171.19
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Solution
The fourth proportional to 1,831,994.08, 2,528,192.35 and 1,016,171.19 is: 1,402,338.72
Step by Step Solution
- Step 1: Write the proportion equation
1,831,994.08 : 2,528,192.35 = 1,016,171.19 : x - Step 2: Convert to fraction form
1,831,994.08/2,528,192.35 = 1,016,171.19/x - Step 3: Cross multiply
1,831,994.08x = 2,528,192.35 × 1,016,171.19 - Step 4: Simplify right side
1,831,994.08x = 2,569,076,230,118.61 - Step 5: Solve for x
x = 2,569,076,230,118.61/1,831,994.08 - Step 6: Final answer
x = 1,402,338.72
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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.