Finding the Fourth Proportional to 4,376,688.80, 6,549,286.80 and 2,959,512.80
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Solution
The fourth proportional to 4,376,688.80, 6,549,286.80 and 2,959,512.80 is: 4,428,621.50
Step by Step Solution
- Step 1: Write the proportion equation
4,376,688.80 : 6,549,286.80 = 2,959,512.80 : x - Step 2: Convert to fraction form
4,376,688.80/6,549,286.80 = 2,959,512.80/x - Step 3: Cross multiply
4,376,688.80x = 6,549,286.80 × 2,959,512.80 - Step 4: Simplify right side
4,376,688.80x = 19,382,698,115,471.04 - Step 5: Solve for x
x = 19,382,698,115,471.04/4,376,688.80 - Step 6: Final answer
x = 4,428,621.50
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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.