Finding the Fourth Proportional to 2,699,412.68, 4,050,141.68 and 1,620,678.51
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Solution
The fourth proportional to 2,699,412.68, 4,050,141.68 and 1,620,678.51 is: 2,431,631.75
Step by Step Solution
- Step 1: Write the proportion equation
2,699,412.68 : 4,050,141.68 = 1,620,678.51 : x - Step 2: Convert to fraction form
2,699,412.68/4,050,141.68 = 1,620,678.51/x - Step 3: Cross multiply
2,699,412.68x = 4,050,141.68 × 1,620,678.51 - Step 4: Simplify right side
2,699,412.68x = 6,563,977,587,282.99 - Step 5: Solve for x
x = 6,563,977,587,282.99/2,699,412.68 - Step 6: Final answer
x = 2,431,631.75
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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.