Finding the Fourth Proportional to 3,349,539.36, 4,622,467.68 and 1,899,295.20
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Solution
The fourth proportional to 3,349,539.36, 4,622,467.68 and 1,899,295.20 is: 2,621,085.99
Step by Step Solution
- Step 1: Write the proportion equation
3,349,539.36 : 4,622,467.68 = 1,899,295.20 : x - Step 2: Convert to fraction form
3,349,539.36/4,622,467.68 = 1,899,295.20/x - Step 3: Cross multiply
3,349,539.36x = 4,622,467.68 × 1,899,295.20 - Step 4: Simplify right side
3,349,539.36x = 8,779,430,676,779.14 - Step 5: Solve for x
x = 8,779,430,676,779.14/3,349,539.36 - Step 6: Final answer
x = 2,621,085.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.