Finding the Fourth Proportional to 1,603,501.97, 2,212,773.17 and 878,355.63
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Solution
The fourth proportional to 1,603,501.97, 2,212,773.17 and 878,355.63 is: 1,212,098.15
Step by Step Solution
- Step 1: Write the proportion equation
1,603,501.97 : 2,212,773.17 = 878,355.63 : x - Step 2: Convert to fraction form
1,603,501.97/2,212,773.17 = 878,355.63/x - Step 3: Cross multiply
1,603,501.97x = 2,212,773.17 × 878,355.63 - Step 4: Simplify right side
1,603,501.97x = 1,943,601,767,390.67 - Step 5: Solve for x
x = 1,943,601,767,390.67/1,603,501.97 - Step 6: Final answer
x = 1,212,098.15
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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.