Finding the Fourth Proportional to 2,121,572.93, 2,927,832.72 and 1,154,765.84
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Solution
The fourth proportional to 2,121,572.93, 2,927,832.72 and 1,154,765.84 is: 1,593,610.65
Step by Step Solution
- Step 1: Write the proportion equation
2,121,572.93 : 2,927,832.72 = 1,154,765.84 : x - Step 2: Convert to fraction form
2,121,572.93/2,927,832.72 = 1,154,765.84/x - Step 3: Cross multiply
2,121,572.93x = 2,927,832.72 × 1,154,765.84 - Step 4: Simplify right side
2,121,572.93x = 3,380,961,210,290.29 - Step 5: Solve for x
x = 3,380,961,210,290.29/2,121,572.93 - Step 6: Final answer
x = 1,593,610.65
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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.