Finding the Fourth Proportional to 5,639,088.97, 7,781,950.63 and 3,060,770.28
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Solution
The fourth proportional to 5,639,088.97, 7,781,950.63 and 3,060,770.28 is: 4,223,867.25
Step by Step Solution
- Step 1: Write the proportion equation
5,639,088.97 : 7,781,950.63 = 3,060,770.28 : x - Step 2: Convert to fraction form
5,639,088.97/7,781,950.63 = 3,060,770.28/x - Step 3: Cross multiply
5,639,088.97x = 7,781,950.63 × 3,060,770.28 - Step 4: Simplify right side
5,639,088.97x = 23,818,763,208,731.27 - Step 5: Solve for x
x = 23,818,763,208,731.27/5,639,088.97 - Step 6: Final answer
x = 4,223,867.25
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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.