Finding the Fourth Proportional to 1,599,530.72, 2,207,356.76 and 874,387.12
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Solution
The fourth proportional to 1,599,530.72, 2,207,356.76 and 874,387.12 is: 1,206,656.61
Step by Step Solution
- Step 1: Write the proportion equation
1,599,530.72 : 2,207,356.76 = 874,387.12 : x - Step 2: Convert to fraction form
1,599,530.72/2,207,356.76 = 874,387.12/x - Step 3: Cross multiply
1,599,530.72x = 2,207,356.76 × 874,387.12 - Step 4: Simplify right side
1,599,530.72x = 1,930,084,320,188.93 - Step 5: Solve for x
x = 1,930,084,320,188.93/1,599,530.72 - Step 6: Final answer
x = 1,206,656.61
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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.