Finding the Fourth Proportional to 4,686,108.12, 7,021,891.74 and 3,249,593.58
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Solution
The fourth proportional to 4,686,108.12, 7,021,891.74 and 3,249,593.58 is: 4,869,348.66
Step by Step Solution
- Step 1: Write the proportion equation
4,686,108.12 : 7,021,891.74 = 3,249,593.58 : x - Step 2: Convert to fraction form
4,686,108.12/7,021,891.74 = 3,249,593.58/x - Step 3: Cross multiply
4,686,108.12x = 7,021,891.74 × 3,249,593.58 - Step 4: Simplify right side
4,686,108.12x = 22,818,294,317,759.03 - Step 5: Solve for x
x = 22,818,294,317,759.03/4,686,108.12 - Step 6: Final answer
x = 4,869,348.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.