Finding the Fourth Proportional to 1,873,413.08, 2,585,372.63 and 1,148,120.66
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Solution
The fourth proportional to 1,873,413.08, 2,585,372.63 and 1,148,120.66 is: 1,584,444.86
Step by Step Solution
- Step 1: Write the proportion equation
1,873,413.08 : 2,585,372.63 = 1,148,120.66 : x - Step 2: Convert to fraction form
1,873,413.08/2,585,372.63 = 1,148,120.66/x - Step 3: Cross multiply
1,873,413.08x = 2,585,372.63 × 1,148,120.66 - Step 4: Simplify right side
1,873,413.08x = 2,968,319,730,301.54 - Step 5: Solve for x
x = 2,968,319,730,301.54/1,873,413.08 - Step 6: Final answer
x = 1,584,444.86
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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.