Finding the Fourth Proportional to 2,831,063.74, 4,242,395.13 and 2,079,435.58
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Solution
The fourth proportional to 2,831,063.74, 4,242,395.13 and 2,079,435.58 is: 3,116,068.09
Step by Step Solution
- Step 1: Write the proportion equation
2,831,063.74 : 4,242,395.13 = 2,079,435.58 : x - Step 2: Convert to fraction form
2,831,063.74/4,242,395.13 = 2,079,435.58/x - Step 3: Cross multiply
2,831,063.74x = 4,242,395.13 × 2,079,435.58 - Step 4: Simplify right side
2,831,063.74x = 8,821,787,377,740.73 - Step 5: Solve for x
x = 8,821,787,377,740.73/2,831,063.74 - Step 6: Final answer
x = 3,116,068.09
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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.