Finding the Fourth Proportional to 4,374,826.40, 6,562,239.60 and 3,115,114.40
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Solution
The fourth proportional to 4,374,826.40, 6,562,239.60 and 3,115,114.40 is: 4,672,671.60
Step by Step Solution
- Step 1: Write the proportion equation
4,374,826.40 : 6,562,239.60 = 3,115,114.40 : x - Step 2: Convert to fraction form
4,374,826.40/6,562,239.60 = 3,115,114.40/x - Step 3: Cross multiply
4,374,826.40x = 6,562,239.60 × 3,115,114.40 - Step 4: Simplify right side
4,374,826.40x = 20,442,127,074,210.24 - Step 5: Solve for x
x = 20,442,127,074,210.24/4,374,826.40 - Step 6: Final answer
x = 4,672,671.60
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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.