Finding the Fourth Proportional to 1,497,075.40, 2,247,686.70 and 1,181,888.20
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Solution
The fourth proportional to 1,497,075.40, 2,247,686.70 and 1,181,888.20 is: 1,774,469.33
Step by Step Solution
- Step 1: Write the proportion equation
1,497,075.40 : 2,247,686.70 = 1,181,888.20 : x - Step 2: Convert to fraction form
1,497,075.40/2,247,686.70 = 1,181,888.20/x - Step 3: Cross multiply
1,497,075.40x = 2,247,686.70 × 1,181,888.20 - Step 4: Simplify right side
1,497,075.40x = 2,656,514,388,026.94 - Step 5: Solve for x
x = 2,656,514,388,026.94/1,497,075.40 - Step 6: Final answer
x = 1,774,469.33
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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.