Finding the Fourth Proportional to 2,869,027.76, 3,958,957.31 and 1,628,242.96
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Solution
The fourth proportional to 2,869,027.76, 3,958,957.31 and 1,628,242.96 is: 2,246,804.46
Step by Step Solution
- Step 1: Write the proportion equation
2,869,027.76 : 3,958,957.31 = 1,628,242.96 : x - Step 2: Convert to fraction form
2,869,027.76/3,958,957.31 = 1,628,242.96/x - Step 3: Cross multiply
2,869,027.76x = 3,958,957.31 × 1,628,242.96 - Step 4: Simplify right side
2,869,027.76x = 6,446,144,368,948.04 - Step 5: Solve for x
x = 6,446,144,368,948.04/2,869,027.76 - Step 6: Final answer
x = 2,246,804.46
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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.