Finding the Fourth Proportional to 5,457,980.98, 7,534,088.85 and 4,103,787.70
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Solution
The fourth proportional to 5,457,980.98, 7,534,088.85 and 4,103,787.70 is: 5,664,787.27
Step by Step Solution
- Step 1: Write the proportion equation
5,457,980.98 : 7,534,088.85 = 4,103,787.70 : x - Step 2: Convert to fraction form
5,457,980.98/7,534,088.85 = 4,103,787.70/x - Step 3: Cross multiply
5,457,980.98x = 7,534,088.85 × 4,103,787.70 - Step 4: Simplify right side
5,457,980.98x = 30,918,301,153,337.14 - Step 5: Solve for x
x = 30,918,301,153,337.14/5,457,980.98 - Step 6: Final answer
x = 5,664,787.27
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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.