Finding the Fourth Proportional to 6,604,615.36, 9,115,365.44 and 4,027,790.84
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Solution
The fourth proportional to 6,604,615.36, 9,115,365.44 and 4,027,790.84 is: 5,558,958.91
Step by Step Solution
- Step 1: Write the proportion equation
6,604,615.36 : 9,115,365.44 = 4,027,790.84 : x - Step 2: Convert to fraction form
6,604,615.36/9,115,365.44 = 4,027,790.84/x - Step 3: Cross multiply
6,604,615.36x = 9,115,365.44 × 4,027,790.84 - Step 4: Simplify right side
6,604,615.36x = 36,714,785,422,484.56 - Step 5: Solve for x
x = 36,714,785,422,484.56/6,604,615.36 - Step 6: Final answer
x = 5,558,958.91
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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.