Finding the Fourth Proportional to 7,490,732.64, 10,336,102.77 and 4,549,020
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Solution
The fourth proportional to 7,490,732.64, 10,336,102.77 and 4,549,020 is: 6,276,974.56
Step by Step Solution
- Step 1: Write the proportion equation
7,490,732.64 : 10,336,102.77 = 4,549,020 : x - Step 2: Convert to fraction form
7,490,732.64/10,336,102.77 = 4,549,020/x - Step 3: Cross multiply
7,490,732.64x = 10,336,102.77 × 4,549,020 - Step 4: Simplify right side
7,490,732.64x = 47,019,138,222,785.40 - Step 5: Solve for x
x = 47,019,138,222,785.40/7,490,732.64 - Step 6: Final answer
x = 6,276,974.56
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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.