Finding the Fourth Proportional to 6,331,017.36, 8,736,966.66 and 3,884,979.96
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Solution
The fourth proportional to 6,331,017.36, 8,736,966.66 and 3,884,979.96 is: 5,361,372.19
Step by Step Solution
- Step 1: Write the proportion equation
6,331,017.36 : 8,736,966.66 = 3,884,979.96 : x - Step 2: Convert to fraction form
6,331,017.36/8,736,966.66 = 3,884,979.96/x - Step 3: Cross multiply
6,331,017.36x = 8,736,966.66 × 3,884,979.96 - Step 4: Simplify right side
6,331,017.36x = 33,942,940,385,288.13 - Step 5: Solve for x
x = 33,942,940,385,288.13/6,331,017.36 - Step 6: Final answer
x = 5,361,372.19
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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.