Finding the Fourth Proportional to 1,539,412.32, 2,309,009.04 and 474,343.68
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Solution
The fourth proportional to 1,539,412.32, 2,309,009.04 and 474,343.68 is: 711,481.80
Step by Step Solution
- Step 1: Write the proportion equation
1,539,412.32 : 2,309,009.04 = 474,343.68 : x - Step 2: Convert to fraction form
1,539,412.32/2,309,009.04 = 474,343.68/x - Step 3: Cross multiply
1,539,412.32x = 2,309,009.04 × 474,343.68 - Step 4: Simplify right side
1,539,412.32x = 1,095,263,845,186.87 - Step 5: Solve for x
x = 1,095,263,845,186.87/1,539,412.32 - Step 6: Final answer
x = 711,481.80
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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.