Finding the Fourth Proportional to 5,113,768.48, 7,668,659.04 and 1,917,152.08
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Solution
The fourth proportional to 5,113,768.48, 7,668,659.04 and 1,917,152.08 is: 2,874,980.69
Step by Step Solution
- Step 1: Write the proportion equation
5,113,768.48 : 7,668,659.04 = 1,917,152.08 : x - Step 2: Convert to fraction form
5,113,768.48/7,668,659.04 = 1,917,152.08/x - Step 3: Cross multiply
5,113,768.48x = 7,668,659.04 × 1,917,152.08 - Step 4: Simplify right side
5,113,768.48x = 14,701,985,629,346.80 - Step 5: Solve for x
x = 14,701,985,629,346.80/5,113,768.48 - Step 6: Final answer
x = 2,874,980.69
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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.