Finding the Fourth Proportional to 4,787,827.29, 6,601,225.55 and 3,066,117.21
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Solution
The fourth proportional to 4,787,827.29, 6,601,225.55 and 3,066,117.21 is: 4,227,414.65
Step by Step Solution
- Step 1: Write the proportion equation
4,787,827.29 : 6,601,225.55 = 3,066,117.21 : x - Step 2: Convert to fraction form
4,787,827.29/6,601,225.55 = 3,066,117.21/x - Step 3: Cross multiply
4,787,827.29x = 6,601,225.55 × 3,066,117.21 - Step 4: Simplify right side
4,787,827.29x = 20,240,131,250,616.13 - Step 5: Solve for x
x = 20,240,131,250,616.13/4,787,827.29 - Step 6: Final answer
x = 4,227,414.65
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1.5x scale
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.