Finding the Fourth Proportional to 1,534,290.97, 2,118,228.68 and 1,364,053.88
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Solution
The fourth proportional to 1,534,290.97, 2,118,228.68 and 1,364,053.88 is: 1,883,200.84
Step by Step Solution
- Step 1: Write the proportion equation
1,534,290.97 : 2,118,228.68 = 1,364,053.88 : x - Step 2: Convert to fraction form
1,534,290.97/2,118,228.68 = 1,364,053.88/x - Step 3: Cross multiply
1,534,290.97x = 2,118,228.68 × 1,364,053.88 - Step 4: Simplify right side
1,534,290.97x = 2,889,378,042,500.27 - Step 5: Solve for x
x = 2,889,378,042,500.27/1,534,290.97 - Step 6: Final answer
x = 1,883,200.84
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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.