Finding the Fourth Proportional to 1,590,284.97, 2,385,416.49 and 643,642.02
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Solution
The fourth proportional to 1,590,284.97, 2,385,416.49 and 643,642.02 is: 965,458.59
Step by Step Solution
- Step 1: Write the proportion equation
1,590,284.97 : 2,385,416.49 = 643,642.02 : x - Step 2: Convert to fraction form
1,590,284.97/2,385,416.49 = 643,642.02/x - Step 3: Cross multiply
1,590,284.97x = 2,385,416.49 × 643,642.02 - Step 4: Simplify right side
1,590,284.97x = 1,535,354,288,164.91 - Step 5: Solve for x
x = 1,535,354,288,164.91/1,590,284.97 - Step 6: Final answer
x = 965,458.59
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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.