Finding the Fourth Proportional to 1,965,722.99, 2,949,294.04 and 686,518.74
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Solution
The fourth proportional to 1,965,722.99, 2,949,294.04 and 686,518.74 is: 1,030,025.92
Step by Step Solution
- Step 1: Write the proportion equation
1,965,722.99 : 2,949,294.04 = 686,518.74 : x - Step 2: Convert to fraction form
1,965,722.99/2,949,294.04 = 686,518.74/x - Step 3: Cross multiply
1,965,722.99x = 2,949,294.04 × 686,518.74 - Step 4: Simplify right side
1,965,722.99x = 2,024,745,626,514.01 - Step 5: Solve for x
x = 2,024,745,626,514.01/1,965,722.99 - Step 6: Final answer
x = 1,030,025.92
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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.