Finding the Fourth Proportional to 4,368,248.20, 6,551,205.90 and 1,335,608.20
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Solution
The fourth proportional to 4,368,248.20, 6,551,205.90 and 1,335,608.20 is: 2,003,055.67
Step by Step Solution
- Step 1: Write the proportion equation
4,368,248.20 : 6,551,205.90 = 1,335,608.20 : x - Step 2: Convert to fraction form
4,368,248.20/6,551,205.90 = 1,335,608.20/x - Step 3: Cross multiply
4,368,248.20x = 6,551,205.90 × 1,335,608.20 - Step 4: Simplify right side
4,368,248.20x = 8,749,844,319,928.38 - Step 5: Solve for x
x = 8,749,844,319,928.38/4,368,248.20 - Step 6: Final answer
x = 2,003,055.67
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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.