Finding the Fourth Proportional to 2,121,101.96, 2,927,119.86 and 1,167,245.96
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Solution
The fourth proportional to 2,121,101.96, 2,927,119.86 and 1,167,245.96 is: 1,610,798.96
Step by Step Solution
- Step 1: Write the proportion equation
2,121,101.96 : 2,927,119.86 = 1,167,245.96 : x - Step 2: Convert to fraction form
2,121,101.96/2,927,119.86 = 1,167,245.96/x - Step 3: Cross multiply
2,121,101.96x = 2,927,119.86 × 1,167,245.96 - Step 4: Simplify right side
2,121,101.96x = 3,416,668,831,020.77 - Step 5: Solve for x
x = 3,416,668,831,020.77/2,121,101.96 - Step 6: Final answer
x = 1,610,798.96
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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.