Finding the Fourth Proportional to 4,309,091.49, 6,461,649.99 and 1,275,372.57
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Solution
The fourth proportional to 4,309,091.49, 6,461,649.99 and 1,275,372.57 is: 1,912,470.69
Step by Step Solution
- Step 1: Write the proportion equation
4,309,091.49 : 6,461,649.99 = 1,275,372.57 : x - Step 2: Convert to fraction form
4,309,091.49/6,461,649.99 = 1,275,372.57/x - Step 3: Cross multiply
4,309,091.49x = 6,461,649.99 × 1,275,372.57 - Step 4: Simplify right side
4,309,091.49x = 8,241,011,154,186.78 - Step 5: Solve for x
x = 8,241,011,154,186.78/4,309,091.49 - Step 6: Final answer
x = 1,912,470.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.