Finding the Fourth Proportional to 1,837,654.91, 2,535,965.84 and 1,021,841.06
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Solution
The fourth proportional to 1,837,654.91, 2,535,965.84 and 1,021,841.06 is: 1,410,141.82
Step by Step Solution
- Step 1: Write the proportion equation
1,837,654.91 : 2,535,965.84 = 1,021,841.06 : x - Step 2: Convert to fraction form
1,837,654.91/2,535,965.84 = 1,021,841.06/x - Step 3: Cross multiply
1,837,654.91x = 2,535,965.84 × 1,021,841.06 - Step 4: Simplify right side
1,837,654.91x = 2,591,354,030,963.91 - Step 5: Solve for x
x = 2,591,354,030,963.91/1,837,654.91 - Step 6: Final answer
x = 1,410,141.82
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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.