Finding the Fourth Proportional to 6,230,657.64, 9,345,911.25 and 1,619,235.40
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Solution
The fourth proportional to 6,230,657.64, 9,345,911.25 and 1,619,235.40 is: 2,428,833.55
Step by Step Solution
- Step 1: Write the proportion equation
6,230,657.64 : 9,345,911.25 = 1,619,235.40 : x - Step 2: Convert to fraction form
6,230,657.64/9,345,911.25 = 1,619,235.40/x - Step 3: Cross multiply
6,230,657.64x = 9,345,911.25 × 1,619,235.40 - Step 4: Simplify right side
6,230,657.64x = 15,133,230,341,258.25 - Step 5: Solve for x
x = 15,133,230,341,258.25/6,230,657.64 - Step 6: Final answer
x = 2,428,833.55
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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.