Finding the Fourth Proportional to 2,129,168.08, 2,938,845 and 1,224,041.68
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Solution
The fourth proportional to 2,129,168.08, 2,938,845 and 1,224,041.68 is: 1,689,518.46
Step by Step Solution
- Step 1: Write the proportion equation
2,129,168.08 : 2,938,845 = 1,224,041.68 : x - Step 2: Convert to fraction form
2,129,168.08/2,938,845 = 1,224,041.68/x - Step 3: Cross multiply
2,129,168.08x = 2,938,845 × 1,224,041.68 - Step 4: Simplify right side
2,129,168.08x = 3,597,268,771,059.60 - Step 5: Solve for x
x = 3,597,268,771,059.60/2,129,168.08 - Step 6: Final answer
x = 1,689,518.46
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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.