Finding the Fourth Proportional to 5,417,924.24, 8,126,803.56 and 1,319,283.68
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Solution
The fourth proportional to 5,417,924.24, 8,126,803.56 and 1,319,283.68 is: 1,978,905.36
Step by Step Solution
- Step 1: Write the proportion equation
5,417,924.24 : 8,126,803.56 = 1,319,283.68 : x - Step 2: Convert to fraction form
5,417,924.24/8,126,803.56 = 1,319,283.68/x - Step 3: Cross multiply
5,417,924.24x = 8,126,803.56 × 1,319,283.68 - Step 4: Simplify right side
5,417,924.24x = 10,721,559,307,273.90 - Step 5: Solve for x
x = 10,721,559,307,273.90/5,417,924.24 - Step 6: Final answer
x = 1,978,905.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.