Finding the Fourth Proportional to 5,197,687.64, 7,758,461.54 and 4,584,102.92
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Solution
The fourth proportional to 5,197,687.64, 7,758,461.54 and 4,584,102.92 is: 6,842,578.59
Step by Step Solution
- Step 1: Write the proportion equation
5,197,687.64 : 7,758,461.54 = 4,584,102.92 : x - Step 2: Convert to fraction form
5,197,687.64/7,758,461.54 = 4,584,102.92/x - Step 3: Cross multiply
5,197,687.64x = 7,758,461.54 × 4,584,102.92 - Step 4: Simplify right side
5,197,687.64x = 35,565,586,138,508.88 - Step 5: Solve for x
x = 35,565,586,138,508.88/5,197,687.64 - Step 6: Final answer
x = 6,842,578.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.