Finding the Fourth Proportional to 1,411,603.82, 2,116,215.09 and 612,283.26
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Solution
The fourth proportional to 1,411,603.82, 2,116,215.09 and 612,283.26 is: 917,908.45
Step by Step Solution
- Step 1: Write the proportion equation
1,411,603.82 : 2,116,215.09 = 612,283.26 : x - Step 2: Convert to fraction form
1,411,603.82/2,116,215.09 = 612,283.26/x - Step 3: Cross multiply
1,411,603.82x = 2,116,215.09 × 612,283.26 - Step 4: Simplify right side
1,411,603.82x = 1,295,723,074,166.39 - Step 5: Solve for x
x = 1,295,723,074,166.39/1,411,603.82 - Step 6: Final answer
x = 917,908.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.