Finding the Fourth Proportional to 1,926,866.40, 2,889,619.20 and 664,400.40
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Solution
The fourth proportional to 1,926,866.40, 2,889,619.20 and 664,400.40 is: 996,365.99
Step by Step Solution
- Step 1: Write the proportion equation
1,926,866.40 : 2,889,619.20 = 664,400.40 : x - Step 2: Convert to fraction form
1,926,866.40/2,889,619.20 = 664,400.40/x - Step 3: Cross multiply
1,926,866.40x = 2,889,619.20 × 664,400.40 - Step 4: Simplify right side
1,926,866.40x = 1,919,864,152,327.68 - Step 5: Solve for x
x = 1,919,864,152,327.68/1,926,866.40 - Step 6: Final answer
x = 996,365.99
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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.