Finding the Fourth Proportional to 1,358,762.24, 2,038,148.16 and 412,141.12
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Solution
The fourth proportional to 1,358,762.24, 2,038,148.16 and 412,141.12 is: 618,213.14
Step by Step Solution
- Step 1: Write the proportion equation
1,358,762.24 : 2,038,148.16 = 412,141.12 : x - Step 2: Convert to fraction form
1,358,762.24/2,038,148.16 = 412,141.12/x - Step 3: Cross multiply
1,358,762.24x = 2,038,148.16 × 412,141.12 - Step 4: Simplify right side
1,358,762.24x = 840,004,665,388.34 - Step 5: Solve for x
x = 840,004,665,388.34/1,358,762.24 - Step 6: Final answer
x = 618,213.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.