Finding the Fourth Proportional to 3,548,987.79, 5,323,479.15 and 853,312.08
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Solution
The fourth proportional to 3,548,987.79, 5,323,479.15 and 853,312.08 is: 1,279,967.51
Step by Step Solution
- Step 1: Write the proportion equation
3,548,987.79 : 5,323,479.15 = 853,312.08 : x - Step 2: Convert to fraction form
3,548,987.79/5,323,479.15 = 853,312.08/x - Step 3: Cross multiply
3,548,987.79x = 5,323,479.15 × 853,312.08 - Step 4: Simplify right side
3,548,987.79x = 4,542,589,066,323.13 - Step 5: Solve for x
x = 4,542,589,066,323.13/3,548,987.79 - Step 6: Final answer
x = 1,279,967.51
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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.