Finding the Fourth Proportional to 3,215,055.13, 4,841,828.62 and 2,928,076.99
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Solution
The fourth proportional to 3,215,055.13, 4,841,828.62 and 2,928,076.99 is: 4,409,643.50
Step by Step Solution
- Step 1: Write the proportion equation
3,215,055.13 : 4,841,828.62 = 2,928,076.99 : x - Step 2: Convert to fraction form
3,215,055.13/4,841,828.62 = 2,928,076.99/x - Step 3: Cross multiply
3,215,055.13x = 4,841,828.62 × 2,928,076.99 - Step 4: Simplify right side
3,215,055.13x = 14,177,246,971,745.46 - Step 5: Solve for x
x = 14,177,246,971,745.46/3,215,055.13 - Step 6: Final answer
x = 4,409,643.50
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.