Finding the Fourth Proportional to 3,532,389.39, 4,875,457.04 and 2,155,438.09
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Solution
The fourth proportional to 3,532,389.39, 4,875,457.04 and 2,155,438.09 is: 2,974,968.12
Step by Step Solution
- Step 1: Write the proportion equation
3,532,389.39 : 4,875,457.04 = 2,155,438.09 : x - Step 2: Convert to fraction form
3,532,389.39/4,875,457.04 = 2,155,438.09/x - Step 3: Cross multiply
3,532,389.39x = 4,875,457.04 × 2,155,438.09 - Step 4: Simplify right side
3,532,389.39x = 10,508,745,810,174.65 - Step 5: Solve for x
x = 10,508,745,810,174.65/3,532,389.39 - Step 6: Final answer
x = 2,974,968.12
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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.