Finding the Fourth Proportional to 1,915,683.99, 2,643,594.48 and 1,056,229.44
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Solution
The fourth proportional to 1,915,683.99, 2,643,594.48 and 1,056,229.44 is: 1,457,569.38
Step by Step Solution
- Step 1: Write the proportion equation
1,915,683.99 : 2,643,594.48 = 1,056,229.44 : x - Step 2: Convert to fraction form
1,915,683.99/2,643,594.48 = 1,056,229.44/x - Step 3: Cross multiply
1,915,683.99x = 2,643,594.48 × 1,056,229.44 - Step 4: Simplify right side
1,915,683.99x = 2,792,242,317,197.49 - Step 5: Solve for x
x = 2,792,242,317,197.49/1,915,683.99 - Step 6: Final answer
x = 1,457,569.38
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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.