Finding the Fourth Proportional to 2,149,034.16, 2,965,673.97 and 1,182,237.96
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Solution
The fourth proportional to 2,149,034.16, 2,965,673.97 and 1,182,237.96 is: 1,631,492.14
Step by Step Solution
- Step 1: Write the proportion equation
2,149,034.16 : 2,965,673.97 = 1,182,237.96 : x - Step 2: Convert to fraction form
2,149,034.16/2,965,673.97 = 1,182,237.96/x - Step 3: Cross multiply
2,149,034.16x = 2,965,673.97 × 1,182,237.96 - Step 4: Simplify right side
2,149,034.16x = 3,506,132,344,317.90 - Step 5: Solve for x
x = 3,506,132,344,317.90/2,149,034.16 - Step 6: Final answer
x = 1,631,492.14
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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.