Finding the Fourth Proportional to 5,639,107.44, 7,781,976.24 and 3,060,788.76
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Solution
The fourth proportional to 5,639,107.44, 7,781,976.24 and 3,060,788.76 is: 4,223,892.82
Step by Step Solution
- Step 1: Write the proportion equation
5,639,107.44 : 7,781,976.24 = 3,060,788.76 : x - Step 2: Convert to fraction form
5,639,107.44/7,781,976.24 = 3,060,788.76/x - Step 3: Cross multiply
5,639,107.44x = 7,781,976.24 × 3,060,788.76 - Step 4: Simplify right side
5,639,107.44x = 23,818,985,405,979.06 - Step 5: Solve for x
x = 23,818,985,405,979.06/5,639,107.44 - Step 6: Final answer
x = 4,223,892.82
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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.