Finding the Fourth Proportional to 1,615,621.62, 2,229,528.15 and 880,582.26
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Solution
The fourth proportional to 1,615,621.62, 2,229,528.15 and 880,582.26 is: 1,215,187.34
Step by Step Solution
- Step 1: Write the proportion equation
1,615,621.62 : 2,229,528.15 = 880,582.26 : x - Step 2: Convert to fraction form
1,615,621.62/2,229,528.15 = 880,582.26/x - Step 3: Cross multiply
1,615,621.62x = 2,229,528.15 × 880,582.26 - Step 4: Simplify right side
1,615,621.62x = 1,963,282,937,060.62 - Step 5: Solve for x
x = 1,963,282,937,060.62/1,615,621.62 - Step 6: Final answer
x = 1,215,187.34
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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.