Finding the Fourth Proportional to 2,385,863.08, 3,577,688.70 and 889,553.32
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Solution
The fourth proportional to 2,385,863.08, 3,577,688.70 and 889,553.32 is: 1,333,917.65
Step by Step Solution
- Step 1: Write the proportion equation
2,385,863.08 : 3,577,688.70 = 889,553.32 : x - Step 2: Convert to fraction form
2,385,863.08/3,577,688.70 = 889,553.32/x - Step 3: Cross multiply
2,385,863.08x = 3,577,688.70 × 889,553.32 - Step 4: Simplify right side
2,385,863.08x = 3,182,544,861,011.48 - Step 5: Solve for x
x = 3,182,544,861,011.48/2,385,863.08 - Step 6: Final answer
x = 1,333,917.65
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1.5x scale
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.