Finding the Fourth Proportional to 7,182,260.73, 9,911,758.74 and 3,919,254.48
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Solution
The fourth proportional to 7,182,260.73, 9,911,758.74 and 3,919,254.48 is: 5,408,701.56
Step by Step Solution
- Step 1: Write the proportion equation
7,182,260.73 : 9,911,758.74 = 3,919,254.48 : x - Step 2: Convert to fraction form
7,182,260.73/9,911,758.74 = 3,919,254.48/x - Step 3: Cross multiply
7,182,260.73x = 9,911,758.74 × 3,919,254.48 - Step 4: Simplify right side
7,182,260.73x = 38,846,704,846,424.16 - Step 5: Solve for x
x = 38,846,704,846,424.16/7,182,260.73 - Step 6: Final answer
x = 5,408,701.56
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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.