Finding the Fourth Proportional to 3,025,457.99, 4,175,132.08 and 1,667,330.99
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Solution
The fourth proportional to 3,025,457.99, 4,175,132.08 and 1,667,330.99 is: 2,300,916.80
Step by Step Solution
- Step 1: Write the proportion equation
3,025,457.99 : 4,175,132.08 = 1,667,330.99 : x - Step 2: Convert to fraction form
3,025,457.99/4,175,132.08 = 1,667,330.99/x - Step 3: Cross multiply
3,025,457.99x = 4,175,132.08 × 1,667,330.99 - Step 4: Simplify right side
3,025,457.99x = 6,961,327,104,327.16 - Step 5: Solve for x
x = 6,961,327,104,327.16/3,025,457.99 - Step 6: Final answer
x = 2,300,916.80
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1.5x scale
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.