Finding the Fourth Proportional to 5,146,534.14, 7,103,068.92 and 2,855,432.94
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Solution
The fourth proportional to 5,146,534.14, 7,103,068.92 and 2,855,432.94 is: 3,940,970.06
Step by Step Solution
- Step 1: Write the proportion equation
5,146,534.14 : 7,103,068.92 = 2,855,432.94 : x - Step 2: Convert to fraction form
5,146,534.14/7,103,068.92 = 2,855,432.94/x - Step 3: Cross multiply
5,146,534.14x = 7,103,068.92 × 2,855,432.94 - Step 4: Simplify right side
5,146,534.14x = 20,282,336,969,258.22 - Step 5: Solve for x
x = 20,282,336,969,258.22/5,146,534.14 - Step 6: Final answer
x = 3,940,970.06
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1.5x scale
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.