Finding the Fourth Proportional to 5,535,849.16, 7,639,476.63 and 3,088,460.71
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Solution
The fourth proportional to 5,535,849.16, 7,639,476.63 and 3,088,460.71 is: 4,262,078.45
Step by Step Solution
- Step 1: Write the proportion equation
5,535,849.16 : 7,639,476.63 = 3,088,460.71 : x - Step 2: Convert to fraction form
5,535,849.16/7,639,476.63 = 3,088,460.71/x - Step 3: Cross multiply
5,535,849.16x = 7,639,476.63 × 3,088,460.71 - Step 4: Simplify right side
5,535,849.16x = 23,594,223,416,718.21 - Step 5: Solve for x
x = 23,594,223,416,718.21/5,535,849.16 - Step 6: Final answer
x = 4,262,078.45
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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.