Finding the Fourth Proportional to 6,489,243.64, 8,952,451.32 and 3,735,272.08
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Solution
The fourth proportional to 6,489,243.64, 8,952,451.32 and 3,735,272.08 is: 5,153,118.50
Step by Step Solution
- Step 1: Write the proportion equation
6,489,243.64 : 8,952,451.32 = 3,735,272.08 : x - Step 2: Convert to fraction form
6,489,243.64/8,952,451.32 = 3,735,272.08/x - Step 3: Cross multiply
6,489,243.64x = 8,952,451.32 × 3,735,272.08 - Step 4: Simplify right side
6,489,243.64x = 33,439,841,463,155.15 - Step 5: Solve for x
x = 33,439,841,463,155.15/6,489,243.64 - Step 6: Final answer
x = 5,153,118.50
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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.