Finding the Fourth Proportional to 2,251,009.12, 3,106,391.16 and 1,232,413.60
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Solution
The fourth proportional to 2,251,009.12, 3,106,391.16 and 1,232,413.60 is: 1,700,729.99
Step by Step Solution
- Step 1: Write the proportion equation
2,251,009.12 : 3,106,391.16 = 1,232,413.60 : x - Step 2: Convert to fraction form
2,251,009.12/3,106,391.16 = 1,232,413.60/x - Step 3: Cross multiply
2,251,009.12x = 3,106,391.16 × 1,232,413.60 - Step 4: Simplify right side
2,251,009.12x = 3,828,358,712,503.78 - Step 5: Solve for x
x = 3,828,358,712,503.78/2,251,009.12 - Step 6: Final answer
x = 1,700,729.99
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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.