Finding the Fourth Proportional to 1,965,528.37, 2,712,220.36 and 1,106,074.63
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Solution
The fourth proportional to 1,965,528.37, 2,712,220.36 and 1,106,074.63 is: 1,526,265.50
Step by Step Solution
- Step 1: Write the proportion equation
1,965,528.37 : 2,712,220.36 = 1,106,074.63 : x - Step 2: Convert to fraction form
1,965,528.37/2,712,220.36 = 1,106,074.63/x - Step 3: Cross multiply
1,965,528.37x = 2,712,220.36 × 1,106,074.63 - Step 4: Simplify right side
1,965,528.37x = 2,999,918,131,165.47 - Step 5: Solve for x
x = 2,999,918,131,165.47/1,965,528.37 - Step 6: Final answer
x = 1,526,265.50
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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.