Finding the Fourth Proportional to 3,242,347.20, 4,474,670.81 and 1,792,011.42
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Solution
The fourth proportional to 3,242,347.20, 4,474,670.81 and 1,792,011.42 is: 2,473,103.80
Step by Step Solution
- Step 1: Write the proportion equation
3,242,347.20 : 4,474,670.81 = 1,792,011.42 : x - Step 2: Convert to fraction form
3,242,347.20/4,474,670.81 = 1,792,011.42/x - Step 3: Cross multiply
3,242,347.20x = 4,474,670.81 × 1,792,011.42 - Step 4: Simplify right side
3,242,347.20x = 8,018,661,183,300.59 - Step 5: Solve for x
x = 8,018,661,183,300.59/3,242,347.20 - Step 6: Final answer
x = 2,473,103.80
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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.