Finding the Fourth Proportional to 4,911,435.40, 7,368,153.18 and 2,071,558.12
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Solution
The fourth proportional to 4,911,435.40, 7,368,153.18 and 2,071,558.12 is: 3,107,759.00
Step by Step Solution
- Step 1: Write the proportion equation
4,911,435.40 : 7,368,153.18 = 2,071,558.12 : x - Step 2: Convert to fraction form
4,911,435.40/7,368,153.18 = 2,071,558.12/x - Step 3: Cross multiply
4,911,435.40x = 7,368,153.18 × 2,071,558.12 - Step 4: Simplify right side
4,911,435.40x = 15,263,557,549,432.82 - Step 5: Solve for x
x = 15,263,557,549,432.82/4,911,435.40 - Step 6: Final answer
x = 3,107,759.00
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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.