Finding the Fourth Proportional to 4,872,490.36, 6,723,885.18 and 2,807,509.84
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Solution
The fourth proportional to 4,872,490.36, 6,723,885.18 and 2,807,509.84 is: 3,874,276.28
Step by Step Solution
- Step 1: Write the proportion equation
4,872,490.36 : 6,723,885.18 = 2,807,509.84 : x - Step 2: Convert to fraction form
4,872,490.36/6,723,885.18 = 2,807,509.84/x - Step 3: Cross multiply
4,872,490.36x = 6,723,885.18 × 2,807,509.84 - Step 4: Simplify right side
4,872,490.36x = 18,877,373,805,880.17 - Step 5: Solve for x
x = 18,877,373,805,880.17/4,872,490.36 - Step 6: Final answer
x = 3,874,276.28
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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.