Finding the Fourth Proportional to 2,266,895.07, 3,128,077.36 and 1,286,521.91
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Solution
The fourth proportional to 2,266,895.07, 3,128,077.36 and 1,286,521.91 is: 1,775,265.26
Step by Step Solution
- Step 1: Write the proportion equation
2,266,895.07 : 3,128,077.36 = 1,286,521.91 : x - Step 2: Convert to fraction form
2,266,895.07/3,128,077.36 = 1,286,521.91/x - Step 3: Cross multiply
2,266,895.07x = 3,128,077.36 × 1,286,521.91 - Step 4: Simplify right side
2,266,895.07x = 4,024,340,059,814.96 - Step 5: Solve for x
x = 4,024,340,059,814.96/2,266,895.07 - Step 6: Final answer
x = 1,775,265.26
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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.