Finding the Fourth Proportional to 4,842,943.36, 6,683,261.52 and 2,806,933.84
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Solution
The fourth proportional to 4,842,943.36, 6,683,261.52 and 2,806,933.84 is: 3,873,568.52
Step by Step Solution
- Step 1: Write the proportion equation
4,842,943.36 : 6,683,261.52 = 2,806,933.84 : x - Step 2: Convert to fraction form
4,842,943.36/6,683,261.52 = 2,806,933.84/x - Step 3: Cross multiply
4,842,943.36x = 6,683,261.52 × 2,806,933.84 - Step 4: Simplify right side
4,842,943.36x = 18,759,472,922,057.84 - Step 5: Solve for x
x = 18,759,472,922,057.84/4,842,943.36 - Step 6: Final answer
x = 3,873,568.52
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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.