Finding the Fourth Proportional to 2,661,377.65, 3,672,697.55 and 1,515,457.99
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Solution
The fourth proportional to 2,661,377.65, 3,672,697.55 and 1,515,457.99 is: 2,091,329.97
Step by Step Solution
- Step 1: Write the proportion equation
2,661,377.65 : 3,672,697.55 = 1,515,457.99 : x - Step 2: Convert to fraction form
2,661,377.65/3,672,697.55 = 1,515,457.99/x - Step 3: Cross multiply
2,661,377.65x = 3,672,697.55 × 1,515,457.99 - Step 4: Simplify right side
2,661,377.65x = 5,565,818,844,014.51 - Step 5: Solve for x
x = 5,565,818,844,014.51/2,661,377.65 - Step 6: Final answer
x = 2,091,329.97
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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.