Finding the Fourth Proportional to 5,699,769.20, 8,549,653.80 and 1,439,949.68
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Solution
The fourth proportional to 5,699,769.20, 8,549,653.80 and 1,439,949.68 is: 2,159,924.52
Step by Step Solution
- Step 1: Write the proportion equation
5,699,769.20 : 8,549,653.80 = 1,439,949.68 : x - Step 2: Convert to fraction form
5,699,769.20/8,549,653.80 = 1,439,949.68/x - Step 3: Cross multiply
5,699,769.20x = 8,549,653.80 × 1,439,949.68 - Step 4: Simplify right side
5,699,769.20x = 12,311,071,253,420.79 - Step 5: Solve for x
x = 12,311,071,253,420.79/5,699,769.20 - Step 6: Final answer
x = 2,159,924.52
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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.