Finding the Fourth Proportional to 2,221,957.76, 3,066,298.80 and 1,203,366.56
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Solution
The fourth proportional to 2,221,957.76, 3,066,298.80 and 1,203,366.56 is: 1,660,644.28
Step by Step Solution
- Step 1: Write the proportion equation
2,221,957.76 : 3,066,298.80 = 1,203,366.56 : x - Step 2: Convert to fraction form
2,221,957.76/3,066,298.80 = 1,203,366.56/x - Step 3: Cross multiply
2,221,957.76x = 3,066,298.80 × 1,203,366.56 - Step 4: Simplify right side
2,221,957.76x = 3,689,881,438,888.13 - Step 5: Solve for x
x = 3,689,881,438,888.13/2,221,957.76 - Step 6: Final answer
x = 1,660,644.28
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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.