Finding the Fourth Proportional to 2,831,261.90, 4,246,865.72 and 1,677,678.08
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Solution
The fourth proportional to 2,831,261.90, 4,246,865.72 and 1,677,678.08 is: 2,516,501.04
Step by Step Solution
- Step 1: Write the proportion equation
2,831,261.90 : 4,246,865.72 = 1,677,678.08 : x - Step 2: Convert to fraction form
2,831,261.90/4,246,865.72 = 1,677,678.08/x - Step 3: Cross multiply
2,831,261.90x = 4,246,865.72 × 1,677,678.08 - Step 4: Simplify right side
2,831,261.90x = 7,124,873,527,147.42 - Step 5: Solve for x
x = 7,124,873,527,147.42/2,831,261.90 - Step 6: Final answer
x = 2,516,501.04
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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.