Finding the Fourth Proportional to 1,719,501.92, 2,372,862.80 and 984,431.60
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Solution
The fourth proportional to 1,719,501.92, 2,372,862.80 and 984,431.60 is: 1,358,487.07
Step by Step Solution
- Step 1: Write the proportion equation
1,719,501.92 : 2,372,862.80 = 984,431.60 : x - Step 2: Convert to fraction form
1,719,501.92/2,372,862.80 = 984,431.60/x - Step 3: Cross multiply
1,719,501.92x = 2,372,862.80 × 984,431.60 - Step 4: Simplify right side
1,719,501.92x = 2,335,921,122,784.48 - Step 5: Solve for x
x = 2,335,921,122,784.48/1,719,501.92 - Step 6: Final answer
x = 1,358,487.07
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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.