Finding the Fourth Proportional to 1,926,321.40, 2,889,673.26 and 712,216.05
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Solution
The fourth proportional to 1,926,321.40, 2,889,673.26 and 712,216.05 is: 1,068,394.75
Step by Step Solution
- Step 1: Write the proportion equation
1,926,321.40 : 2,889,673.26 = 712,216.05 : x - Step 2: Convert to fraction form
1,926,321.40/2,889,673.26 = 712,216.05/x - Step 3: Cross multiply
1,926,321.40x = 2,889,673.26 × 712,216.05 - Step 4: Simplify right side
1,926,321.40x = 2,058,071,675,027.82 - Step 5: Solve for x
x = 2,058,071,675,027.82/1,926,321.40 - Step 6: Final answer
x = 1,068,394.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.