Finding the Fourth Proportional to 1,449,368.91, 2,000,313.63 and 876,413.19
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Solution
The fourth proportional to 1,449,368.91, 2,000,313.63 and 876,413.19 is: 1,209,561.79
Step by Step Solution
- Step 1: Write the proportion equation
1,449,368.91 : 2,000,313.63 = 876,413.19 : x - Step 2: Convert to fraction form
1,449,368.91/2,000,313.63 = 876,413.19/x - Step 3: Cross multiply
1,449,368.91x = 2,000,313.63 × 876,413.19 - Step 4: Simplify right side
1,449,368.91x = 1,753,101,249,468.78 - Step 5: Solve for x
x = 1,753,101,249,468.78/1,449,368.91 - Step 6: Final answer
x = 1,209,561.79
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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.