Finding the Fourth Proportional to 2,789,097.70, 4,183,646.55 and 2,670,999.70
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Solution
The fourth proportional to 2,789,097.70, 4,183,646.55 and 2,670,999.70 is: 4,006,499.55
Step by Step Solution
- Step 1: Write the proportion equation
2,789,097.70 : 4,183,646.55 = 2,670,999.70 : x - Step 2: Convert to fraction form
2,789,097.70/4,183,646.55 = 2,670,999.70/x - Step 3: Cross multiply
2,789,097.70x = 4,183,646.55 × 2,670,999.70 - Step 4: Simplify right side
2,789,097.70x = 11,174,518,679,956.04 - Step 5: Solve for x
x = 11,174,518,679,956.04/2,789,097.70 - Step 6: Final answer
x = 4,006,499.55
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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.