Finding the Fourth Proportional to 1,658,953.40, 2,489,397.90 and 699,350.68
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Solution
The fourth proportional to 1,658,953.40, 2,489,397.90 and 699,350.68 is: 1,049,434.01
Step by Step Solution
- Step 1: Write the proportion equation
1,658,953.40 : 2,489,397.90 = 699,350.68 : x - Step 2: Convert to fraction form
1,658,953.40/2,489,397.90 = 699,350.68/x - Step 3: Cross multiply
1,658,953.40x = 2,489,397.90 × 699,350.68 - Step 4: Simplify right side
1,658,953.40x = 1,740,962,114,155.57 - Step 5: Solve for x
x = 1,740,962,114,155.57/1,658,953.40 - Step 6: Final answer
x = 1,049,434.01
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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.