Finding the Fourth Proportional to 1,968,379.49, 2,952,569.28 and 472,471.49
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Solution
The fourth proportional to 1,968,379.49, 2,952,569.28 and 472,471.49 is: 708,707.25
Step by Step Solution
- Step 1: Write the proportion equation
1,968,379.49 : 2,952,569.28 = 472,471.49 : x - Step 2: Convert to fraction form
1,968,379.49/2,952,569.28 = 472,471.49/x - Step 3: Cross multiply
1,968,379.49x = 2,952,569.28 × 472,471.49 - Step 4: Simplify right side
1,968,379.49x = 1,395,004,813,250.07 - Step 5: Solve for x
x = 1,395,004,813,250.07/1,968,379.49 - Step 6: Final answer
x = 708,707.25
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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.