Finding the Fourth Proportional to 1,603,637.97, 2,213,021.30 and 878,511.93
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Solution
The fourth proportional to 1,603,637.97, 2,213,021.30 and 878,511.93 is: 1,212,346.95
Step by Step Solution
- Step 1: Write the proportion equation
1,603,637.97 : 2,213,021.30 = 878,511.93 : x - Step 2: Convert to fraction form
1,603,637.97/2,213,021.30 = 878,511.93/x - Step 3: Cross multiply
1,603,637.97x = 2,213,021.30 × 878,511.93 - Step 4: Simplify right side
1,603,637.97x = 1,944,165,609,001.55 - Step 5: Solve for x
x = 1,944,165,609,001.55/1,603,637.97 - Step 6: Final answer
x = 1,212,346.95
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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.