Finding the Fourth Proportional to 4,818,263.08, 6,649,212.65 and 2,642,824.11
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Solution
The fourth proportional to 4,818,263.08, 6,649,212.65 and 2,642,824.11 is: 3,647,102.53
Step by Step Solution
- Step 1: Write the proportion equation
4,818,263.08 : 6,649,212.65 = 2,642,824.11 : x - Step 2: Convert to fraction form
4,818,263.08/6,649,212.65 = 2,642,824.11/x - Step 3: Cross multiply
4,818,263.08x = 6,649,212.65 × 2,642,824.11 - Step 4: Simplify right side
4,818,263.08x = 17,572,699,478,255.59 - Step 5: Solve for x
x = 17,572,699,478,255.59/4,818,263.08 - Step 6: Final answer
x = 3,647,102.53
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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.