Finding the Fourth Proportional to 1,868,347.49, 2,578,327.43 and 1,052,560.94
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Solution
The fourth proportional to 1,868,347.49, 2,578,327.43 and 1,052,560.94 is: 1,452,538.54
Step by Step Solution
- Step 1: Write the proportion equation
1,868,347.49 : 2,578,327.43 = 1,052,560.94 : x - Step 2: Convert to fraction form
1,868,347.49/2,578,327.43 = 1,052,560.94/x - Step 3: Cross multiply
1,868,347.49x = 2,578,327.43 × 1,052,560.94 - Step 4: Simplify right side
1,868,347.49x = 2,713,846,725,194.14 - Step 5: Solve for x
x = 2,713,846,725,194.14/1,868,347.49 - Step 6: Final answer
x = 1,452,538.54
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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.