Finding the Fourth Proportional to 5,174,266.24, 7,761,879.06 and 1,761,406.21
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Solution
The fourth proportional to 5,174,266.24, 7,761,879.06 and 1,761,406.21 is: 2,642,272.61
Step by Step Solution
- Step 1: Write the proportion equation
5,174,266.24 : 7,761,879.06 = 1,761,406.21 : x - Step 2: Convert to fraction form
5,174,266.24/7,761,879.06 = 1,761,406.21/x - Step 3: Cross multiply
5,174,266.24x = 7,761,879.06 × 1,761,406.21 - Step 4: Simplify right side
5,174,266.24x = 13,671,821,977,552.96 - Step 5: Solve for x
x = 13,671,821,977,552.96/5,174,266.24 - Step 6: Final answer
x = 2,642,272.61
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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.