Finding the Fourth Proportional to 6,702,780.18, 9,249,564.29 and 3,802,108.77
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Solution
The fourth proportional to 6,702,780.18, 9,249,564.29 and 3,802,108.77 is: 5,246,755.61
Step by Step Solution
- Step 1: Write the proportion equation
6,702,780.18 : 9,249,564.29 = 3,802,108.77 : x - Step 2: Convert to fraction form
6,702,780.18/9,249,564.29 = 3,802,108.77/x - Step 3: Cross multiply
6,702,780.18x = 9,249,564.29 × 3,802,108.77 - Step 4: Simplify right side
6,702,780.18x = 35,167,849,532,471.62 - Step 5: Solve for x
x = 35,167,849,532,471.62/6,702,780.18 - Step 6: Final answer
x = 5,246,755.61
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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.