Finding the Fourth Proportional to 5,174,265.24, 7,761,877.56 and 1,761,405.21
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Solution
The fourth proportional to 5,174,265.24, 7,761,877.56 and 1,761,405.21 is: 2,642,271.11
Step by Step Solution
- Step 1: Write the proportion equation
5,174,265.24 : 7,761,877.56 = 1,761,405.21 : x - Step 2: Convert to fraction form
5,174,265.24/7,761,877.56 = 1,761,405.21/x - Step 3: Cross multiply
5,174,265.24x = 7,761,877.56 × 1,761,405.21 - Step 4: Simplify right side
5,174,265.24x = 13,671,811,573,566.09 - Step 5: Solve for x
x = 13,671,811,573,566.09/5,174,265.24 - Step 6: Final answer
x = 2,642,271.11
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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.