Finding the Fourth Proportional to 3,208,430.94, 4,427,633.43 and 1,777,646.94
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Solution
The fourth proportional to 3,208,430.94, 4,427,633.43 and 1,777,646.94 is: 2,453,152.08
Step by Step Solution
- Step 1: Write the proportion equation
3,208,430.94 : 4,427,633.43 = 1,777,646.94 : x - Step 2: Convert to fraction form
3,208,430.94/4,427,633.43 = 1,777,646.94/x - Step 3: Cross multiply
3,208,430.94x = 4,427,633.43 × 1,777,646.94 - Step 4: Simplify right side
3,208,430.94x = 7,870,769,018,281.20 - Step 5: Solve for x
x = 7,870,769,018,281.20/3,208,430.94 - Step 6: Final answer
x = 2,453,152.08
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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.