Finding the Fourth Proportional to 1,129,851.82, 1,700,886.10 and 1,029,296.14
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Solution
The fourth proportional to 1,129,851.82, 1,700,886.10 and 1,029,296.14 is: 1,549,508.94
Step by Step Solution
- Step 1: Write the proportion equation
1,129,851.82 : 1,700,886.10 = 1,029,296.14 : x - Step 2: Convert to fraction form
1,129,851.82/1,700,886.10 = 1,029,296.14/x - Step 3: Cross multiply
1,129,851.82x = 1,700,886.10 × 1,029,296.14 - Step 4: Simplify right side
1,129,851.82x = 1,750,715,497,309.65 - Step 5: Solve for x
x = 1,750,715,497,309.65/1,129,851.82 - Step 6: Final answer
x = 1,549,508.94
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.