Finding the Fourth Proportional to 7,679,541.24, 11,519,973.36 and 1,999,775.88
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Solution
The fourth proportional to 7,679,541.24, 11,519,973.36 and 1,999,775.88 is: 2,999,836.08
Step by Step Solution
- Step 1: Write the proportion equation
7,679,541.24 : 11,519,973.36 = 1,999,775.88 : x - Step 2: Convert to fraction form
7,679,541.24/11,519,973.36 = 1,999,775.88/x - Step 3: Cross multiply
7,679,541.24x = 11,519,973.36 × 1,999,775.88 - Step 4: Simplify right side
7,679,541.24x = 23,037,364,863,570.55 - Step 5: Solve for x
x = 23,037,364,863,570.55/7,679,541.24 - Step 6: Final answer
x = 2,999,836.08
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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.