Finding the Fourth Proportional to 1,601,921.14, 2,210,413.36 and 972,937.51
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Solution
The fourth proportional to 1,601,921.14, 2,210,413.36 and 972,937.51 is: 1,342,509.33
Step by Step Solution
- Step 1: Write the proportion equation
1,601,921.14 : 2,210,413.36 = 972,937.51 : x - Step 2: Convert to fraction form
1,601,921.14/2,210,413.36 = 972,937.51/x - Step 3: Cross multiply
1,601,921.14x = 2,210,413.36 × 972,937.51 - Step 4: Simplify right side
1,601,921.14x = 2,150,594,070,549.13 - Step 5: Solve for x
x = 2,150,594,070,549.13/1,601,921.14 - Step 6: Final answer
x = 1,342,509.33
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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.