Finding the Fourth Proportional to 1,678,518.45, 2,518,171.34 and 667,697.99
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Solution
The fourth proportional to 1,678,518.45, 2,518,171.34 and 667,697.99 is: 1,001,703.57
Step by Step Solution
- Step 1: Write the proportion equation
1,678,518.45 : 2,518,171.34 = 667,697.99 : x - Step 2: Convert to fraction form
1,678,518.45/2,518,171.34 = 667,697.99/x - Step 3: Cross multiply
1,678,518.45x = 2,518,171.34 × 667,697.99 - Step 4: Simplify right side
1,678,518.45x = 1,681,377,926,264.26 - Step 5: Solve for x
x = 1,681,377,926,264.26/1,678,518.45 - Step 6: Final answer
x = 1,001,703.57
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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.