Finding the Fourth Proportional to 1,491,031.08, 2,057,709.36 and 1,122,849.06
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Solution
The fourth proportional to 1,491,031.08, 2,057,709.36 and 1,122,849.06 is: 1,549,596.82
Step by Step Solution
- Step 1: Write the proportion equation
1,491,031.08 : 2,057,709.36 = 1,122,849.06 : x - Step 2: Convert to fraction form
1,491,031.08/2,057,709.36 = 1,122,849.06/x - Step 3: Cross multiply
1,491,031.08x = 2,057,709.36 × 1,122,849.06 - Step 4: Simplify right side
1,491,031.08x = 2,310,497,020,629.20 - Step 5: Solve for x
x = 2,310,497,020,629.20/1,491,031.08 - Step 6: Final answer
x = 1,549,596.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.