Finding the Fourth Proportional to 4,647,886.14, 6,407,322.78 and 3,248,101.95
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Solution
The fourth proportional to 4,647,886.14, 6,407,322.78 and 3,248,101.95 is: 4,477,656.51
Step by Step Solution
- Step 1: Write the proportion equation
4,647,886.14 : 6,407,322.78 = 3,248,101.95 : x - Step 2: Convert to fraction form
4,647,886.14/6,407,322.78 = 3,248,101.95/x - Step 3: Cross multiply
4,647,886.14x = 6,407,322.78 × 3,248,101.95 - Step 4: Simplify right side
4,647,886.14x = 20,811,637,615,997.42 - Step 5: Solve for x
x = 20,811,637,615,997.42/4,647,886.14 - Step 6: Final answer
x = 4,477,656.51
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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.