Finding the Fourth Proportional to 1,489,641.36, 2,231,642.84 and 880,606.28
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Solution
The fourth proportional to 1,489,641.36, 2,231,642.84 and 880,606.28 is: 1,319,242.84
Step by Step Solution
- Step 1: Write the proportion equation
1,489,641.36 : 2,231,642.84 = 880,606.28 : x - Step 2: Convert to fraction form
1,489,641.36/2,231,642.84 = 880,606.28/x - Step 3: Cross multiply
1,489,641.36x = 2,231,642.84 × 880,606.28 - Step 4: Simplify right side
1,489,641.36x = 1,965,198,695,218.00 - Step 5: Solve for x
x = 1,965,198,695,218.00/1,489,641.36 - Step 6: Final answer
x = 1,319,242.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.