Finding the Fourth Proportional to 5,085,485.97, 7,018,046.15 and 2,762,423.79
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Solution
The fourth proportional to 5,085,485.97, 7,018,046.15 and 2,762,423.79 is: 3,812,185.85
Step by Step Solution
- Step 1: Write the proportion equation
5,085,485.97 : 7,018,046.15 = 2,762,423.79 : x - Step 2: Convert to fraction form
5,085,485.97/7,018,046.15 = 2,762,423.79/x - Step 3: Cross multiply
5,085,485.97x = 7,018,046.15 × 2,762,423.79 - Step 4: Simplify right side
5,085,485.97x = 19,386,817,630,265.79 - Step 5: Solve for x
x = 19,386,817,630,265.79/5,085,485.97 - Step 6: Final answer
x = 3,812,185.85
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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.