Finding the Fourth Proportional to 2,354,564.09, 3,248,907.17 and 1,387,562.81
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Solution
The fourth proportional to 2,354,564.09, 3,248,907.17 and 1,387,562.81 is: 1,914,606.09
Step by Step Solution
- Step 1: Write the proportion equation
2,354,564.09 : 3,248,907.17 = 1,387,562.81 : x - Step 2: Convert to fraction form
2,354,564.09/3,248,907.17 = 1,387,562.81/x - Step 3: Cross multiply
2,354,564.09x = 3,248,907.17 × 1,387,562.81 - Step 4: Simplify right side
2,354,564.09x = 4,508,062,739,052.00 - Step 5: Solve for x
x = 4,508,062,739,052.00/2,354,564.09 - Step 6: Final answer
x = 1,914,606.09
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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.