Finding the Fourth Proportional to 2,388,972, 3,296,781.36 and 1,315,884
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Solution
The fourth proportional to 2,388,972, 3,296,781.36 and 1,315,884 is: 1,815,919.92
Step by Step Solution
- Step 1: Write the proportion equation
2,388,972 : 3,296,781.36 = 1,315,884 : x - Step 2: Convert to fraction form
2,388,972/3,296,781.36 = 1,315,884/x - Step 3: Cross multiply
2,388,972x = 3,296,781.36 × 1,315,884 - Step 4: Simplify right side
2,388,972x = 4,338,181,843,122.24 - Step 5: Solve for x
x = 4,338,181,843,122.24/2,388,972 - Step 6: Final answer
x = 1,815,919.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.