Finding the Fourth Proportional to 1,813,125.82, 2,502,129.30 and 986,206.02
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Solution
The fourth proportional to 1,813,125.82, 2,502,129.30 and 986,206.02 is: 1,360,972.83
Step by Step Solution
- Step 1: Write the proportion equation
1,813,125.82 : 2,502,129.30 = 986,206.02 : x - Step 2: Convert to fraction form
1,813,125.82/2,502,129.30 = 986,206.02/x - Step 3: Cross multiply
1,813,125.82x = 2,502,129.30 × 986,206.02 - Step 4: Simplify right side
1,813,125.82x = 2,467,614,978,478.39 - Step 5: Solve for x
x = 2,467,614,978,478.39/1,813,125.82 - Step 6: Final answer
x = 1,360,972.83
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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.