Finding the Fourth Proportional to 1,318,815.99, 1,978,164.50 and 549,997.07
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Solution
The fourth proportional to 1,318,815.99, 1,978,164.50 and 549,997.07 is: 824,970.79
Step by Step Solution
- Step 1: Write the proportion equation
1,318,815.99 : 1,978,164.50 = 549,997.07 : x - Step 2: Convert to fraction form
1,318,815.99/1,978,164.50 = 549,997.07/x - Step 3: Cross multiply
1,318,815.99x = 1,978,164.50 × 549,997.07 - Step 4: Simplify right side
1,318,815.99x = 1,087,984,666,337.21 - Step 5: Solve for x
x = 1,087,984,666,337.21/1,318,815.99 - Step 6: Final answer
x = 824,970.79
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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.