Finding the Fourth Proportional to 2,771,860.87, 4,157,940.35 and 878,749.93
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Solution
The fourth proportional to 2,771,860.87, 4,157,940.35 and 878,749.93 is: 1,318,172.15
Step by Step Solution
- Step 1: Write the proportion equation
2,771,860.87 : 4,157,940.35 = 878,749.93 : x - Step 2: Convert to fraction form
2,771,860.87/4,157,940.35 = 878,749.93/x - Step 3: Cross multiply
2,771,860.87x = 4,157,940.35 × 878,749.93 - Step 4: Simplify right side
2,771,860.87x = 3,653,789,791,506.68 - Step 5: Solve for x
x = 3,653,789,791,506.68/2,771,860.87 - Step 6: Final answer
x = 1,318,172.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.