Finding the Fourth Proportional to 1,425,534.80, 2,136,574.20 and 825,342.80
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Solution
The fourth proportional to 1,425,534.80, 2,136,574.20 and 825,342.80 is: 1,237,013.74
Step by Step Solution
- Step 1: Write the proportion equation
1,425,534.80 : 2,136,574.20 = 825,342.80 : x - Step 2: Convert to fraction form
1,425,534.80/2,136,574.20 = 825,342.80/x - Step 3: Cross multiply
1,425,534.80x = 2,136,574.20 × 825,342.80 - Step 4: Simplify right side
1,425,534.80x = 1,763,406,132,635.76 - Step 5: Solve for x
x = 1,763,406,132,635.76/1,425,534.80 - Step 6: Final answer
x = 1,237,013.74
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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.