Finding the Fourth Proportional to 5,356,747.42, 7,392,364.74 and 2,909,406.34
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Solution
The fourth proportional to 5,356,747.42, 7,392,364.74 and 2,909,406.34 is: 4,015,009.70
Step by Step Solution
- Step 1: Write the proportion equation
5,356,747.42 : 7,392,364.74 = 2,909,406.34 : x - Step 2: Convert to fraction form
5,356,747.42/7,392,364.74 = 2,909,406.34/x - Step 3: Cross multiply
5,356,747.42x = 7,392,364.74 × 2,909,406.34 - Step 4: Simplify right side
5,356,747.42x = 21,507,392,842,148.45 - Step 5: Solve for x
x = 21,507,392,842,148.45/5,356,747.42 - Step 6: Final answer
x = 4,015,009.70
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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.