Finding the Fourth Proportional to 4,778,855.84, 7,165,794.96 and 2,253,833.12
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Solution
The fourth proportional to 4,778,855.84, 7,165,794.96 and 2,253,833.12 is: 3,379,575.90
Step by Step Solution
- Step 1: Write the proportion equation
4,778,855.84 : 7,165,794.96 = 2,253,833.12 : x - Step 2: Convert to fraction form
4,778,855.84/7,165,794.96 = 2,253,833.12/x - Step 3: Cross multiply
4,778,855.84x = 7,165,794.96 × 2,253,833.12 - Step 4: Simplify right side
4,778,855.84x = 16,150,506,011,977.08 - Step 5: Solve for x
x = 16,150,506,011,977.08/4,778,855.84 - Step 6: Final answer
x = 3,379,575.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.