Finding the Fourth Proportional to 1,855,619.99, 2,778,704.85 and 1,222,614.71
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Solution
The fourth proportional to 1,855,619.99, 2,778,704.85 and 1,222,614.71 is: 1,830,808.81
Step by Step Solution
- Step 1: Write the proportion equation
1,855,619.99 : 2,778,704.85 = 1,222,614.71 : x - Step 2: Convert to fraction form
1,855,619.99/2,778,704.85 = 1,222,614.71/x - Step 3: Cross multiply
1,855,619.99x = 2,778,704.85 × 1,222,614.71 - Step 4: Simplify right side
1,855,619.99x = 3,397,285,424,358.34 - Step 5: Solve for x
x = 3,397,285,424,358.34/1,855,619.99 - Step 6: Final answer
x = 1,830,808.81
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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.