Finding the Fourth Proportional to 1,926,764.54, 2,658,899.49 and 1,067,305.94
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Solution
The fourth proportional to 1,926,764.54, 2,658,899.49 and 1,067,305.94 is: 1,472,862.49
Step by Step Solution
- Step 1: Write the proportion equation
1,926,764.54 : 2,658,899.49 = 1,067,305.94 : x - Step 2: Convert to fraction form
1,926,764.54/2,658,899.49 = 1,067,305.94/x - Step 3: Cross multiply
1,926,764.54x = 2,658,899.49 × 1,067,305.94 - Step 4: Simplify right side
1,926,764.54x = 2,837,859,219,539.97 - Step 5: Solve for x
x = 2,837,859,219,539.97/1,926,764.54 - Step 6: Final answer
x = 1,472,862.49
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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.