Finding the Fourth Proportional to 2,032,403.92, 2,804,515.32 and 1,173,240.98
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Solution
The fourth proportional to 2,032,403.92, 2,804,515.32 and 1,173,240.98 is: 1,618,955.89
Step by Step Solution
- Step 1: Write the proportion equation
2,032,403.92 : 2,804,515.32 = 1,173,240.98 : x - Step 2: Convert to fraction form
2,032,403.92/2,804,515.32 = 1,173,240.98/x - Step 3: Cross multiply
2,032,403.92x = 2,804,515.32 × 1,173,240.98 - Step 4: Simplify right side
2,032,403.92x = 3,290,372,302,461.81 - Step 5: Solve for x
x = 3,290,372,302,461.81/2,032,403.92 - Step 6: Final answer
x = 1,618,955.89
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1.5x scale
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.