Finding the Fourth Proportional to 4,982,488.43, 6,874,400.93 and 3,242,718.99
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Solution
The fourth proportional to 4,982,488.43, 6,874,400.93 and 3,242,718.99 is: 4,474,019.51
Step by Step Solution
- Step 1: Write the proportion equation
4,982,488.43 : 6,874,400.93 = 3,242,718.99 : x - Step 2: Convert to fraction form
4,982,488.43/6,874,400.93 = 3,242,718.99/x - Step 3: Cross multiply
4,982,488.43x = 6,874,400.93 × 3,242,718.99 - Step 4: Simplify right side
4,982,488.43x = 22,291,750,424,371.07 - Step 5: Solve for x
x = 22,291,750,424,371.07/4,982,488.43 - Step 6: Final answer
x = 4,474,019.51
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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.