Finding the Fourth Proportional to 3,378,855.94, 4,662,937.74 and 1,850,963.20
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Solution
The fourth proportional to 3,378,855.94, 4,662,937.74 and 1,850,963.20 is: 2,554,393.06
Step by Step Solution
- Step 1: Write the proportion equation
3,378,855.94 : 4,662,937.74 = 1,850,963.20 : x - Step 2: Convert to fraction form
3,378,855.94/4,662,937.74 = 1,850,963.20/x - Step 3: Cross multiply
3,378,855.94x = 4,662,937.74 × 1,850,963.20 - Step 4: Simplify right side
3,378,855.94x = 8,630,926,160,631.17 - Step 5: Solve for x
x = 8,630,926,160,631.17/3,378,855.94 - Step 6: Final answer
x = 2,554,393.06
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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.