Finding the Fourth Proportional to 4,909,394.76, 6,771,474.84 and 3,276,979.08
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Solution
The fourth proportional to 4,909,394.76, 6,771,474.84 and 3,276,979.08 is: 4,519,901.63
Step by Step Solution
- Step 1: Write the proportion equation
4,909,394.76 : 6,771,474.84 = 3,276,979.08 : x - Step 2: Convert to fraction form
4,909,394.76/6,771,474.84 = 3,276,979.08/x - Step 3: Cross multiply
4,909,394.76x = 6,771,474.84 × 3,276,979.08 - Step 4: Simplify right side
4,909,394.76x = 22,189,981,391,426.35 - Step 5: Solve for x
x = 22,189,981,391,426.35/4,909,394.76 - Step 6: Final answer
x = 4,519,901.63
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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.