Finding the Fourth Proportional to 1,184,485.98, 1,634,590.63 and 640,621.81
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Solution
The fourth proportional to 1,184,485.98, 1,634,590.63 and 640,621.81 is: 884,058.09
Step by Step Solution
- Step 1: Write the proportion equation
1,184,485.98 : 1,634,590.63 = 640,621.81 : x - Step 2: Convert to fraction form
1,184,485.98/1,634,590.63 = 640,621.81/x - Step 3: Cross multiply
1,184,485.98x = 1,634,590.63 × 640,621.81 - Step 4: Simplify right side
1,184,485.98x = 1,047,154,410,843.66 - Step 5: Solve for x
x = 1,047,154,410,843.66/1,184,485.98 - Step 6: Final answer
x = 884,058.09
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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.