Finding the Fourth Proportional to 1,603,646.24, 2,212,953.41 and 878,497.79
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Solution
The fourth proportional to 1,603,646.24, 2,212,953.41 and 878,497.79 is: 1,212,284.00
Step by Step Solution
- Step 1: Write the proportion equation
1,603,646.24 : 2,212,953.41 = 878,497.79 : x - Step 2: Convert to fraction form
1,603,646.24/2,212,953.41 = 878,497.79/x - Step 3: Cross multiply
1,603,646.24x = 2,212,953.41 × 878,497.79 - Step 4: Simplify right side
1,603,646.24x = 1,944,074,671,189.44 - Step 5: Solve for x
x = 1,944,074,671,189.44/1,603,646.24 - Step 6: Final answer
x = 1,212,284.00
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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.