Finding the Fourth Proportional to 1,384,642.08, 2,076,962.04 and 387,370.08
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Solution
The fourth proportional to 1,384,642.08, 2,076,962.04 and 387,370.08 is: 581,054.82
Step by Step Solution
- Step 1: Write the proportion equation
1,384,642.08 : 2,076,962.04 = 387,370.08 : x - Step 2: Convert to fraction form
1,384,642.08/2,076,962.04 = 387,370.08/x - Step 3: Cross multiply
1,384,642.08x = 2,076,962.04 × 387,370.08 - Step 4: Simplify right side
1,384,642.08x = 804,552,951,591.76 - Step 5: Solve for x
x = 804,552,951,591.76/1,384,642.08 - Step 6: Final answer
x = 581,054.82
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1.5x scale
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.