Finding the Fourth Proportional to 1,564,413.44, 2,158,890.84 and 849,021.44
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Solution
The fourth proportional to 1,564,413.44, 2,158,890.84 and 849,021.44 is: 1,171,649.75
Step by Step Solution
- Step 1: Write the proportion equation
1,564,413.44 : 2,158,890.84 = 849,021.44 : x - Step 2: Convert to fraction form
1,564,413.44/2,158,890.84 = 849,021.44/x - Step 3: Cross multiply
1,564,413.44x = 2,158,890.84 × 849,021.44 - Step 4: Simplify right side
1,564,413.44x = 1,832,944,609,779.61 - Step 5: Solve for x
x = 1,832,944,609,779.61/1,564,413.44 - Step 6: Final answer
x = 1,171,649.75
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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.