Finding the Fourth Proportional to 4,176,502.40, 6,278,116.80 and 3,880,668.80
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Solution
The fourth proportional to 4,176,502.40, 6,278,116.80 and 3,880,668.80 is: 5,833,419.85
Step by Step Solution
- Step 1: Write the proportion equation
4,176,502.40 : 6,278,116.80 = 3,880,668.80 : x - Step 2: Convert to fraction form
4,176,502.40/6,278,116.80 = 3,880,668.80/x - Step 3: Cross multiply
4,176,502.40x = 6,278,116.80 × 3,880,668.80 - Step 4: Simplify right side
4,176,502.40x = 24,363,291,988,515.84 - Step 5: Solve for x
x = 24,363,291,988,515.84/4,176,502.40 - Step 6: Final answer
x = 5,833,419.85
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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.