Finding the Fourth Proportional to 1,556,415.28, 2,334,899.40 and 531,689.68
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Solution
The fourth proportional to 1,556,415.28, 2,334,899.40 and 531,689.68 is: 797,628.97
Step by Step Solution
- Step 1: Write the proportion equation
1,556,415.28 : 2,334,899.40 = 531,689.68 : x - Step 2: Convert to fraction form
1,556,415.28/2,334,899.40 = 531,689.68/x - Step 3: Cross multiply
1,556,415.28x = 2,334,899.40 × 531,689.68 - Step 4: Simplify right side
1,556,415.28x = 1,241,441,914,818.19 - Step 5: Solve for x
x = 1,241,441,914,818.19/1,556,415.28 - Step 6: Final answer
x = 797,628.97
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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.