Finding the Fourth Proportional to 3,994,800.40, 5,513,364.81 and 2,252,828.24
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Solution
The fourth proportional to 3,994,800.40, 5,513,364.81 and 2,252,828.24 is: 3,109,207.65
Step by Step Solution
- Step 1: Write the proportion equation
3,994,800.40 : 5,513,364.81 = 2,252,828.24 : x - Step 2: Convert to fraction form
3,994,800.40/5,513,364.81 = 2,252,828.24/x - Step 3: Cross multiply
3,994,800.40x = 5,513,364.81 × 2,252,828.24 - Step 4: Simplify right side
3,994,800.40x = 12,420,663,959,175.12 - Step 5: Solve for x
x = 12,420,663,959,175.12/3,994,800.40 - Step 6: Final answer
x = 3,109,207.65
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Double scale
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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.