Finding the Fourth Proportional to 1,538,987.70, 2,308,734.27 and 474,029.94
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Solution
The fourth proportional to 1,538,987.70, 2,308,734.27 and 474,029.94 is: 711,122.75
Step by Step Solution
- Step 1: Write the proportion equation
1,538,987.70 : 2,308,734.27 = 474,029.94 : x - Step 2: Convert to fraction form
1,538,987.70/2,308,734.27 = 474,029.94/x - Step 3: Cross multiply
1,538,987.70x = 2,308,734.27 × 474,029.94 - Step 4: Simplify right side
1,538,987.70x = 1,094,409,167,484.04 - Step 5: Solve for x
x = 1,094,409,167,484.04/1,538,987.70 - Step 6: Final answer
x = 711,122.75
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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.