Finding the Fourth Proportional to 5,145,515.60, 7,101,134.82 and 2,853,676.31
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Solution
The fourth proportional to 5,145,515.60, 7,101,134.82 and 2,853,676.31 is: 3,938,252.60
Step by Step Solution
- Step 1: Write the proportion equation
5,145,515.60 : 7,101,134.82 = 2,853,676.31 : x - Step 2: Convert to fraction form
5,145,515.60/7,101,134.82 = 2,853,676.31/x - Step 3: Cross multiply
5,145,515.60x = 7,101,134.82 × 2,853,676.31 - Step 4: Simplify right side
5,145,515.60x = 20,264,340,174,444.44 - Step 5: Solve for x
x = 20,264,340,174,444.44/5,145,515.60 - Step 6: Final answer
x = 3,938,252.60
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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.