Finding the Fourth Proportional to 1,646,097.22, 2,272,390.84 and 1,238,354.70
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Solution
The fourth proportional to 1,646,097.22, 2,272,390.84 and 1,238,354.70 is: 1,709,513.78
Step by Step Solution
- Step 1: Write the proportion equation
1,646,097.22 : 2,272,390.84 = 1,238,354.70 : x - Step 2: Convert to fraction form
1,646,097.22/2,272,390.84 = 1,238,354.70/x - Step 3: Cross multiply
1,646,097.22x = 2,272,390.84 × 1,238,354.70 - Step 4: Simplify right side
1,646,097.22x = 2,814,025,876,950.95 - Step 5: Solve for x
x = 2,814,025,876,950.95/1,646,097.22 - Step 6: Final answer
x = 1,709,513.78
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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.