Finding the Fourth Proportional to 7,120,248.44, 10,680,372.68 and 1,728,862.56
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Solution
The fourth proportional to 7,120,248.44, 10,680,372.68 and 1,728,862.56 is: 2,593,293.85
Step by Step Solution
- Step 1: Write the proportion equation
7,120,248.44 : 10,680,372.68 = 1,728,862.56 : x - Step 2: Convert to fraction form
7,120,248.44/10,680,372.68 = 1,728,862.56/x - Step 3: Cross multiply
7,120,248.44x = 10,680,372.68 × 1,728,862.56 - Step 4: Simplify right side
7,120,248.44x = 18,464,896,444,654.55 - Step 5: Solve for x
x = 18,464,896,444,654.55/7,120,248.44 - Step 6: Final answer
x = 2,593,293.85
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1.5x scale
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.