Finding the Fourth Proportional to 1,378,092.66, 1,901,853.80 and 766,382.08
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Solution
The fourth proportional to 1,378,092.66, 1,901,853.80 and 766,382.08 is: 1,057,655.06
Step by Step Solution
- Step 1: Write the proportion equation
1,378,092.66 : 1,901,853.80 = 766,382.08 : x - Step 2: Convert to fraction form
1,378,092.66/1,901,853.80 = 766,382.08/x - Step 3: Cross multiply
1,378,092.66x = 1,901,853.80 × 766,382.08 - Step 4: Simplify right side
1,378,092.66x = 1,457,546,671,099.90 - Step 5: Solve for x
x = 1,457,546,671,099.90/1,378,092.66 - Step 6: Final answer
x = 1,057,655.06
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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.