Finding the Fourth Proportional to 1,603,411.88, 2,212,681.86 and 878,252.84
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Solution
The fourth proportional to 1,603,411.88, 2,212,681.86 and 878,252.84 is: 1,211,974.39
Step by Step Solution
- Step 1: Write the proportion equation
1,603,411.88 : 2,212,681.86 = 878,252.84 : x - Step 2: Convert to fraction form
1,603,411.88/2,212,681.86 = 878,252.84/x - Step 3: Cross multiply
1,603,411.88x = 2,212,681.86 × 878,252.84 - Step 4: Simplify right side
1,603,411.88x = 1,943,294,127,561.48 - Step 5: Solve for x
x = 1,943,294,127,561.48/1,603,411.88 - Step 6: Final answer
x = 1,211,974.39
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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.