Finding the Fourth Proportional to 2,177,536.48, 3,005,168.48 and 1,306,403.84
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Solution
The fourth proportional to 2,177,536.48, 3,005,168.48 and 1,306,403.84 is: 1,802,938.17
Step by Step Solution
- Step 1: Write the proportion equation
2,177,536.48 : 3,005,168.48 = 1,306,403.84 : x - Step 2: Convert to fraction form
2,177,536.48/3,005,168.48 = 1,306,403.84/x - Step 3: Cross multiply
2,177,536.48x = 3,005,168.48 × 1,306,403.84 - Step 4: Simplify right side
2,177,536.48x = 3,925,963,642,118.96 - Step 5: Solve for x
x = 3,925,963,642,118.96/2,177,536.48 - Step 6: Final answer
x = 1,802,938.17
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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.