Finding the Fourth Proportional to 2,214,881.58, 3,056,544.81 and 1,284,772.35
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Solution
The fourth proportional to 2,214,881.58, 3,056,544.81 and 1,284,772.35 is: 1,772,990.62
Step by Step Solution
- Step 1: Write the proportion equation
2,214,881.58 : 3,056,544.81 = 1,284,772.35 : x - Step 2: Convert to fraction form
2,214,881.58/3,056,544.81 = 1,284,772.35/x - Step 3: Cross multiply
2,214,881.58x = 3,056,544.81 × 1,284,772.35 - Step 4: Simplify right side
2,214,881.58x = 3,926,964,258,424.00 - Step 5: Solve for x
x = 3,926,964,258,424.00/2,214,881.58 - Step 6: Final answer
x = 1,772,990.62
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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.