Finding the Fourth Proportional to 6,238,409.18, 8,605,412.66 and 3,755,903.90
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Solution
The fourth proportional to 6,238,409.18, 8,605,412.66 and 3,755,903.90 is: 5,180,984.77
Step by Step Solution
- Step 1: Write the proportion equation
6,238,409.18 : 8,605,412.66 = 3,755,903.90 : x - Step 2: Convert to fraction form
6,238,409.18/8,605,412.66 = 3,755,903.90/x - Step 3: Cross multiply
6,238,409.18x = 8,605,412.66 × 3,755,903.90 - Step 4: Simplify right side
6,238,409.18x = 32,321,102,970,803.38 - Step 5: Solve for x
x = 32,321,102,970,803.38/6,238,409.18 - Step 6: Final answer
x = 5,180,984.77
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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.