Finding the Fourth Proportional to 5,253,490.76, 7,250,142.14 and 2,898,677.00
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Solution
The fourth proportional to 5,253,490.76, 7,250,142.14 and 2,898,677.00 is: 4,000,353.52
Step by Step Solution
- Step 1: Write the proportion equation
5,253,490.76 : 7,250,142.14 = 2,898,677.00 : x - Step 2: Convert to fraction form
5,253,490.76/7,250,142.14 = 2,898,677.00/x - Step 3: Cross multiply
5,253,490.76x = 7,250,142.14 × 2,898,677.00 - Step 4: Simplify right side
5,253,490.76x = 21,015,820,217,204.68 - Step 5: Solve for x
x = 21,015,820,217,204.68/5,253,490.76 - Step 6: Final answer
x = 4,000,353.52
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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.