Finding the Fourth Proportional to 2,051,845.74, 2,831,489.19 and 1,146,427.74
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Solution
The fourth proportional to 2,051,845.74, 2,831,489.19 and 1,146,427.74 is: 1,582,037.91
Step by Step Solution
- Step 1: Write the proportion equation
2,051,845.74 : 2,831,489.19 = 1,146,427.74 : x - Step 2: Convert to fraction form
2,051,845.74/2,831,489.19 = 1,146,427.74/x - Step 3: Cross multiply
2,051,845.74x = 2,831,489.19 × 1,146,427.74 - Step 4: Simplify right side
2,051,845.74x = 3,246,097,752,926.13 - Step 5: Solve for x
x = 3,246,097,752,926.13/2,051,845.74 - Step 6: Final answer
x = 1,582,037.91
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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.