Finding the Fourth Proportional to 1,418,319.74, 1,957,013.55 and 845,413.22
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Solution
The fourth proportional to 1,418,319.74, 1,957,013.55 and 845,413.22 is: 1,166,510.68
Step by Step Solution
- Step 1: Write the proportion equation
1,418,319.74 : 1,957,013.55 = 845,413.22 : x - Step 2: Convert to fraction form
1,418,319.74/1,957,013.55 = 845,413.22/x - Step 3: Cross multiply
1,418,319.74x = 1,957,013.55 × 845,413.22 - Step 4: Simplify right side
1,418,319.74x = 1,654,485,126,889.13 - Step 5: Solve for x
x = 1,654,485,126,889.13/1,418,319.74 - Step 6: Final answer
x = 1,166,510.68
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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.