Finding the Fourth Proportional to 2,290,646.71, 3,161,130.42 and 1,258,249.96
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Solution
The fourth proportional to 2,290,646.71, 3,161,130.42 and 1,258,249.96 is: 1,736,405.80
Step by Step Solution
- Step 1: Write the proportion equation
2,290,646.71 : 3,161,130.42 = 1,258,249.96 : x - Step 2: Convert to fraction form
2,290,646.71/3,161,130.42 = 1,258,249.96/x - Step 3: Cross multiply
2,290,646.71x = 3,161,130.42 × 1,258,249.96 - Step 4: Simplify right side
2,290,646.71x = 3,977,492,224,519.78 - Step 5: Solve for x
x = 3,977,492,224,519.78/2,290,646.71 - Step 6: Final answer
x = 1,736,405.80
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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.