Finding the Fourth Proportional to 1,429,464.97, 1,972,726.01 and 856,492.84
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Solution
The fourth proportional to 1,429,464.97, 1,972,726.01 and 856,492.84 is: 1,181,998.68
Step by Step Solution
- Step 1: Write the proportion equation
1,429,464.97 : 1,972,726.01 = 856,492.84 : x - Step 2: Convert to fraction form
1,429,464.97/1,972,726.01 = 856,492.84/x - Step 3: Cross multiply
1,429,464.97x = 1,972,726.01 × 856,492.84 - Step 4: Simplify right side
1,429,464.97x = 1,689,625,702,846.77 - Step 5: Solve for x
x = 1,689,625,702,846.77/1,429,464.97 - Step 6: Final answer
x = 1,181,998.68
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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.