Finding the Fourth Proportional to 3,315,444.84, 4,575,268.26 and 1,865,139.84
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Solution
The fourth proportional to 3,315,444.84, 4,575,268.26 and 1,865,139.84 is: 2,573,867.32
Step by Step Solution
- Step 1: Write the proportion equation
3,315,444.84 : 4,575,268.26 = 1,865,139.84 : x - Step 2: Convert to fraction form
3,315,444.84/4,575,268.26 = 1,865,139.84/x - Step 3: Cross multiply
3,315,444.84x = 4,575,268.26 × 1,865,139.84 - Step 4: Simplify right side
3,315,444.84x = 8,533,515,110,413.48 - Step 5: Solve for x
x = 8,533,515,110,413.48/3,315,444.84 - Step 6: Final answer
x = 2,573,867.32
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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.