Finding the Fourth Proportional to 5,356,744.66, 7,392,360.95 and 2,909,403.58
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Solution
The fourth proportional to 5,356,744.66, 7,392,360.95 and 2,909,403.58 is: 4,015,005.90
Step by Step Solution
- Step 1: Write the proportion equation
5,356,744.66 : 7,392,360.95 = 2,909,403.58 : x - Step 2: Convert to fraction form
5,356,744.66/7,392,360.95 = 2,909,403.58/x - Step 3: Cross multiply
5,356,744.66x = 7,392,360.95 × 2,909,403.58 - Step 4: Simplify right side
5,356,744.66x = 21,507,361,412,582.20 - Step 5: Solve for x
x = 21,507,361,412,582.20/5,356,744.66 - Step 6: Final answer
x = 4,015,005.90
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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.