Finding the Fourth Proportional to 1,728,920.26, 2,595,206.52 and 971,409.07
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Solution
The fourth proportional to 1,728,920.26, 2,595,206.52 and 971,409.07 is: 1,458,139.63
Step by Step Solution
- Step 1: Write the proportion equation
1,728,920.26 : 2,595,206.52 = 971,409.07 : x - Step 2: Convert to fraction form
1,728,920.26/2,595,206.52 = 971,409.07/x - Step 3: Cross multiply
1,728,920.26x = 2,595,206.52 × 971,409.07 - Step 4: Simplify right side
1,728,920.26x = 2,521,007,152,051.14 - Step 5: Solve for x
x = 2,521,007,152,051.14/1,728,920.26 - Step 6: Final answer
x = 1,458,139.63
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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.