Finding the Fourth Proportional to 2,287,993.36, 3,158,909.91 and 1,417,751.53
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Solution
The fourth proportional to 2,287,993.36, 3,158,909.91 and 1,417,751.53 is: 1,957,413.62
Step by Step Solution
- Step 1: Write the proportion equation
2,287,993.36 : 3,158,909.91 = 1,417,751.53 : x - Step 2: Convert to fraction form
2,287,993.36/3,158,909.91 = 1,417,751.53/x - Step 3: Cross multiply
2,287,993.36x = 3,158,909.91 × 1,417,751.53 - Step 4: Simplify right side
2,287,993.36x = 4,478,549,358,034.66 - Step 5: Solve for x
x = 4,478,549,358,034.66/2,287,993.36 - Step 6: Final answer
x = 1,957,413.62
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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.