Finding the Fourth Proportional to 4,836,785.76, 6,677,529.12 and 3,207,407.04
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Solution
The fourth proportional to 4,836,785.76, 6,677,529.12 and 3,207,407.04 is: 4,428,055.11
Step by Step Solution
- Step 1: Write the proportion equation
4,836,785.76 : 6,677,529.12 = 3,207,407.04 : x - Step 2: Convert to fraction form
4,836,785.76/6,677,529.12 = 3,207,407.04/x - Step 3: Cross multiply
4,836,785.76x = 6,677,529.12 × 3,207,407.04 - Step 4: Simplify right side
4,836,785.76x = 21,417,553,909,293.00 - Step 5: Solve for x
x = 21,417,553,909,293.00/4,836,785.76 - Step 6: Final answer
x = 4,428,055.11
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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.