Finding the Fourth Proportional to 5,478,334.74, 8,201,512.35 and 3,196,867.86
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Solution
The fourth proportional to 5,478,334.74, 8,201,512.35 and 3,196,867.86 is: 4,785,971.01
Step by Step Solution
- Step 1: Write the proportion equation
5,478,334.74 : 8,201,512.35 = 3,196,867.86 : x - Step 2: Convert to fraction form
5,478,334.74/8,201,512.35 = 3,196,867.86/x - Step 3: Cross multiply
5,478,334.74x = 8,201,512.35 × 3,196,867.86 - Step 4: Simplify right side
5,478,334.74x = 26,219,151,235,108.07 - Step 5: Solve for x
x = 26,219,151,235,108.07/5,478,334.74 - Step 6: Final answer
x = 4,785,971.01
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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.