Finding the Fourth Proportional to 1,731,745.86, 2,390,568.12 and 1,323,864.96
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Solution
The fourth proportional to 1,731,745.86, 2,390,568.12 and 1,323,864.96 is: 1,827,513.75
Step by Step Solution
- Step 1: Write the proportion equation
1,731,745.86 : 2,390,568.12 = 1,323,864.96 : x - Step 2: Convert to fraction form
1,731,745.86/2,390,568.12 = 1,323,864.96/x - Step 3: Cross multiply
1,731,745.86x = 2,390,568.12 × 1,323,864.96 - Step 4: Simplify right side
1,731,745.86x = 3,164,789,368,561.08 - Step 5: Solve for x
x = 3,164,789,368,561.08/1,731,745.86 - Step 6: Final answer
x = 1,827,513.75
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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.