Finding the Fourth Proportional to 6,252,275.36, 9,378,238.08 and 1,992,699.20
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Solution
The fourth proportional to 6,252,275.36, 9,378,238.08 and 1,992,699.20 is: 2,988,993.04
Step by Step Solution
- Step 1: Write the proportion equation
6,252,275.36 : 9,378,238.08 = 1,992,699.20 : x - Step 2: Convert to fraction form
6,252,275.36/9,378,238.08 = 1,992,699.20/x - Step 3: Cross multiply
6,252,275.36x = 9,378,238.08 × 1,992,699.20 - Step 4: Simplify right side
6,252,275.36x = 18,688,007,519,425.54 - Step 5: Solve for x
x = 18,688,007,519,425.54/6,252,275.36 - Step 6: Final answer
x = 2,988,993.04
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.