Finding the Fourth Proportional to 1,488,413.14, 2,053,761.06 and 876,687.70
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Solution
The fourth proportional to 1,488,413.14, 2,053,761.06 and 876,687.70 is: 1,209,682.32
Step by Step Solution
- Step 1: Write the proportion equation
1,488,413.14 : 2,053,761.06 = 876,687.70 : x - Step 2: Convert to fraction form
1,488,413.14/2,053,761.06 = 876,687.70/x - Step 3: Cross multiply
1,488,413.14x = 2,053,761.06 × 876,687.70 - Step 4: Simplify right side
1,488,413.14x = 1,800,507,060,040.96 - Step 5: Solve for x
x = 1,800,507,060,040.96/1,488,413.14 - Step 6: Final answer
x = 1,209,682.32
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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.