Finding the Fourth Proportional to 4,791,703.84, 6,611,771.37 and 2,831,309.32
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Solution
The fourth proportional to 4,791,703.84, 6,611,771.37 and 2,831,309.32 is: 3,906,746.02
Step by Step Solution
- Step 1: Write the proportion equation
4,791,703.84 : 6,611,771.37 = 2,831,309.32 : x - Step 2: Convert to fraction form
4,791,703.84/6,611,771.37 = 2,831,309.32/x - Step 3: Cross multiply
4,791,703.84x = 6,611,771.37 × 2,831,309.32 - Step 4: Simplify right side
4,791,703.84x = 18,719,969,908,075.22 - Step 5: Solve for x
x = 18,719,969,908,075.22/4,791,703.84 - Step 6: Final answer
x = 3,906,746.02
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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.