Finding the Fourth Proportional to 1,531,309.99, 2,296,789.72 and 409,466.47
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Solution
The fourth proportional to 1,531,309.99, 2,296,789.72 and 409,466.47 is: 614,152.84
Step by Step Solution
- Step 1: Write the proportion equation
1,531,309.99 : 2,296,789.72 = 409,466.47 : x - Step 2: Convert to fraction form
1,531,309.99/2,296,789.72 = 409,466.47/x - Step 3: Cross multiply
1,531,309.99x = 2,296,789.72 × 409,466.47 - Step 4: Simplify right side
1,531,309.99x = 940,458,378,980.69 - Step 5: Solve for x
x = 940,458,378,980.69/1,531,309.99 - Step 6: Final answer
x = 614,152.84
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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.