Finding the Fourth Proportional to 4,991,216.08, 6,887,882.78 and 2,699,376.80
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Solution
The fourth proportional to 4,991,216.08, 6,887,882.78 and 2,699,376.80 is: 3,725,142.47
Step by Step Solution
- Step 1: Write the proportion equation
4,991,216.08 : 6,887,882.78 = 2,699,376.80 : x - Step 2: Convert to fraction form
4,991,216.08/6,887,882.78 = 2,699,376.80/x - Step 3: Cross multiply
4,991,216.08x = 6,887,882.78 × 2,699,376.80 - Step 4: Simplify right side
4,991,216.08x = 18,592,990,977,451.50 - Step 5: Solve for x
x = 18,592,990,977,451.50/4,991,216.08 - Step 6: Final answer
x = 3,725,142.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.