Finding the Fourth Proportional to 7,092,912.40, 10,636,258.20 and 2,831,664.40
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Solution
The fourth proportional to 7,092,912.40, 10,636,258.20 and 2,831,664.40 is: 4,246,254.85
Step by Step Solution
- Step 1: Write the proportion equation
7,092,912.40 : 10,636,258.20 = 2,831,664.40 : x - Step 2: Convert to fraction form
7,092,912.40/10,636,258.20 = 2,831,664.40/x - Step 3: Cross multiply
7,092,912.40x = 10,636,258.20 × 2,831,664.40 - Step 4: Simplify right side
7,092,912.40x = 30,118,313,694,148.08 - Step 5: Solve for x
x = 30,118,313,694,148.08/7,092,912.40 - Step 6: Final answer
x = 4,246,254.85
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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.