Finding the Fourth Proportional to 5,639,117.22, 7,781,989.68 and 3,060,798.57
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Solution
The fourth proportional to 5,639,117.22, 7,781,989.68 and 3,060,798.57 is: 4,223,906.32
Step by Step Solution
- Step 1: Write the proportion equation
5,639,117.22 : 7,781,989.68 = 3,060,798.57 : x - Step 2: Convert to fraction form
5,639,117.22/7,781,989.68 = 3,060,798.57/x - Step 3: Cross multiply
5,639,117.22x = 7,781,989.68 × 3,060,798.57 - Step 4: Simplify right side
5,639,117.22x = 23,819,102,884,298.75 - Step 5: Solve for x
x = 23,819,102,884,298.75/5,639,117.22 - Step 6: Final answer
x = 4,223,906.32
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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.