Finding the Fourth Proportional to 2,475,457.23, 3,415,679.28 and 1,428,496.49
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Solution
The fourth proportional to 2,475,457.23, 3,415,679.28 and 1,428,496.49 is: 1,971,064.50
Step by Step Solution
- Step 1: Write the proportion equation
2,475,457.23 : 3,415,679.28 = 1,428,496.49 : x - Step 2: Convert to fraction form
2,475,457.23/3,415,679.28 = 1,428,496.49/x - Step 3: Cross multiply
2,475,457.23x = 3,415,679.28 × 1,428,496.49 - Step 4: Simplify right side
2,475,457.23x = 4,879,285,870,984.93 - Step 5: Solve for x
x = 4,879,285,870,984.93/2,475,457.23 - Step 6: Final answer
x = 1,971,064.50
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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.