Finding the Fourth Proportional to 4,745,766.64, 6,549,733.38 and 2,680,869.28
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Solution
The fourth proportional to 4,745,766.64, 6,549,733.38 and 2,680,869.28 is: 3,699,924.66
Step by Step Solution
- Step 1: Write the proportion equation
4,745,766.64 : 6,549,733.38 = 2,680,869.28 : x - Step 2: Convert to fraction form
4,745,766.64/6,549,733.38 = 2,680,869.28/x - Step 3: Cross multiply
4,745,766.64x = 6,549,733.38 × 2,680,869.28 - Step 4: Simplify right side
4,745,766.64x = 17,558,979,010,632.56 - Step 5: Solve for x
x = 17,558,979,010,632.56/4,745,766.64 - Step 6: Final answer
x = 3,699,924.66
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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.