Finding the Fourth Proportional to 1,573,382.40, 2,170,707.84 and 928,479.84
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Solution
The fourth proportional to 1,573,382.40, 2,170,707.84 and 928,479.84 is: 1,280,971.79
Step by Step Solution
- Step 1: Write the proportion equation
1,573,382.40 : 2,170,707.84 = 928,479.84 : x - Step 2: Convert to fraction form
1,573,382.40/2,170,707.84 = 928,479.84/x - Step 3: Cross multiply
1,573,382.40x = 2,170,707.84 × 928,479.84 - Step 4: Simplify right side
1,573,382.40x = 2,015,458,467,969.95 - Step 5: Solve for x
x = 2,015,458,467,969.95/1,573,382.40 - Step 6: Final answer
x = 1,280,971.79
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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.