Finding the Fourth Proportional to 5,352,476.36, 7,386,439.56 and 2,905,090.94
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Solution
The fourth proportional to 5,352,476.36, 7,386,439.56 and 2,905,090.94 is: 4,009,037.54
Step by Step Solution
- Step 1: Write the proportion equation
5,352,476.36 : 7,386,439.56 = 2,905,090.94 : x - Step 2: Convert to fraction form
5,352,476.36/7,386,439.56 = 2,905,090.94/x - Step 3: Cross multiply
5,352,476.36x = 7,386,439.56 × 2,905,090.94 - Step 4: Simplify right side
5,352,476.36x = 21,458,278,644,613.59 - Step 5: Solve for x
x = 21,458,278,644,613.59/5,352,476.36 - Step 6: Final answer
x = 4,009,037.54
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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.