Finding the Fourth Proportional to 3,557,028.20, 4,908,701.86 and 1,925,430.55
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Solution
The fourth proportional to 3,557,028.20, 4,908,701.86 and 1,925,430.55 is: 2,657,095.75
Step by Step Solution
- Step 1: Write the proportion equation
3,557,028.20 : 4,908,701.86 = 1,925,430.55 : x - Step 2: Convert to fraction form
3,557,028.20/4,908,701.86 = 1,925,430.55/x - Step 3: Cross multiply
3,557,028.20x = 4,908,701.86 × 1,925,430.55 - Step 4: Simplify right side
3,557,028.20x = 9,451,364,505,000.49 - Step 5: Solve for x
x = 9,451,364,505,000.49/3,557,028.20 - Step 6: Final answer
x = 2,657,095.75
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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.