Finding the Fourth Proportional to 1,615,621.12, 2,229,527.46 and 880,581.76
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Solution
The fourth proportional to 1,615,621.12, 2,229,527.46 and 880,581.76 is: 1,215,186.65
Step by Step Solution
- Step 1: Write the proportion equation
1,615,621.12 : 2,229,527.46 = 880,581.76 : x - Step 2: Convert to fraction form
1,615,621.12/2,229,527.46 = 880,581.76/x - Step 3: Cross multiply
1,615,621.12x = 2,229,527.46 × 880,581.76 - Step 4: Simplify right side
1,615,621.12x = 1,963,281,214,695.13 - Step 5: Solve for x
x = 1,963,281,214,695.13/1,615,621.12 - Step 6: Final answer
x = 1,215,186.65
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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.