Finding the Fourth Proportional to 4,672,355.28, 6,447,838.17 and 2,607,349.17
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Solution
The fourth proportional to 4,672,355.28, 6,447,838.17 and 2,607,349.17 is: 3,598,135.09
Step by Step Solution
- Step 1: Write the proportion equation
4,672,355.28 : 6,447,838.17 = 2,607,349.17 : x - Step 2: Convert to fraction form
4,672,355.28/6,447,838.17 = 2,607,349.17/x - Step 3: Cross multiply
4,672,355.28x = 6,447,838.17 × 2,607,349.17 - Step 4: Simplify right side
4,672,355.28x = 16,811,765,500,843.82 - Step 5: Solve for x
x = 16,811,765,500,843.82/4,672,355.28 - Step 6: Final answer
x = 3,598,135.09
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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.