Finding the Fourth Proportional to 4,718,881.08, 7,078,326.66 and 1,173,025.08
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Solution
The fourth proportional to 4,718,881.08, 7,078,326.66 and 1,173,025.08 is: 1,759,538.87
Step by Step Solution
- Step 1: Write the proportion equation
4,718,881.08 : 7,078,326.66 = 1,173,025.08 : x - Step 2: Convert to fraction form
4,718,881.08/7,078,326.66 = 1,173,025.08/x - Step 3: Cross multiply
4,718,881.08x = 7,078,326.66 × 1,173,025.08 - Step 4: Simplify right side
4,718,881.08x = 8,303,054,696,612.63 - Step 5: Solve for x
x = 8,303,054,696,612.63/4,718,881.08 - Step 6: Final answer
x = 1,759,538.87
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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.