Finding the Fourth Proportional to 1,498,945.68, 2,068,745.19 and 845,705.79
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Solution
The fourth proportional to 1,498,945.68, 2,068,745.19 and 845,705.79 is: 1,167,186.92
Step by Step Solution
- Step 1: Write the proportion equation
1,498,945.68 : 2,068,745.19 = 845,705.79 : x - Step 2: Convert to fraction form
1,498,945.68/2,068,745.19 = 845,705.79/x - Step 3: Cross multiply
1,498,945.68x = 2,068,745.19 × 845,705.79 - Step 4: Simplify right side
1,498,945.68x = 1,749,549,785,217.65 - Step 5: Solve for x
x = 1,749,549,785,217.65/1,498,945.68 - Step 6: Final answer
x = 1,167,186.92
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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.