Finding the Fourth Proportional to 4,552,120.81, 6,281,853.40 and 2,487,092.03
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Solution
The fourth proportional to 4,552,120.81, 6,281,853.40 and 2,487,092.03 is: 3,432,146.94
Step by Step Solution
- Step 1: Write the proportion equation
4,552,120.81 : 6,281,853.40 = 2,487,092.03 : x - Step 2: Convert to fraction form
4,552,120.81/6,281,853.40 = 2,487,092.03/x - Step 3: Cross multiply
4,552,120.81x = 6,281,853.40 × 2,487,092.03 - Step 4: Simplify right side
4,552,120.81x = 15,623,547,524,768.40 - Step 5: Solve for x
x = 15,623,547,524,768.40/4,552,120.81 - Step 6: Final answer
x = 3,432,146.94
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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.