Finding the Fourth Proportional to 1,599,561.12, 2,207,394.51 and 874,412.07
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Solution
The fourth proportional to 1,599,561.12, 2,207,394.51 and 874,412.07 is: 1,206,688.75
Step by Step Solution
- Step 1: Write the proportion equation
1,599,561.12 : 2,207,394.51 = 874,412.07 : x - Step 2: Convert to fraction form
1,599,561.12/2,207,394.51 = 874,412.07/x - Step 3: Cross multiply
1,599,561.12x = 2,207,394.51 × 874,412.07 - Step 4: Simplify right side
1,599,561.12x = 1,930,172,402,795.74 - Step 5: Solve for x
x = 1,930,172,402,795.74/1,599,561.12 - Step 6: Final answer
x = 1,206,688.75
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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.