Finding the Fourth Proportional to 2,379,077.64, 3,283,130.07 and 1,291,349.16
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Solution
The fourth proportional to 2,379,077.64, 3,283,130.07 and 1,291,349.16 is: 1,782,063.43
Step by Step Solution
- Step 1: Write the proportion equation
2,379,077.64 : 3,283,130.07 = 1,291,349.16 : x - Step 2: Convert to fraction form
2,379,077.64/3,283,130.07 = 1,291,349.16/x - Step 3: Cross multiply
2,379,077.64x = 3,283,130.07 × 1,291,349.16 - Step 4: Simplify right side
2,379,077.64x = 4,239,667,258,065.24 - Step 5: Solve for x
x = 4,239,667,258,065.24/2,379,077.64 - Step 6: Final answer
x = 1,782,063.43
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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.