Finding the Fourth Proportional to 1,612,679.20, 2,225,646.44 and 887,674.12
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Solution
The fourth proportional to 1,612,679.20, 2,225,646.44 and 887,674.12 is: 1,225,072.38
Step by Step Solution
- Step 1: Write the proportion equation
1,612,679.20 : 2,225,646.44 = 887,674.12 : x - Step 2: Convert to fraction form
1,612,679.20/2,225,646.44 = 887,674.12/x - Step 3: Cross multiply
1,612,679.20x = 2,225,646.44 × 887,674.12 - Step 4: Simplify right side
1,612,679.20x = 1,975,648,745,058.13 - Step 5: Solve for x
x = 1,975,648,745,058.13/1,612,679.20 - Step 6: Final answer
x = 1,225,072.38
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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.