Finding the Fourth Proportional to 2,136,544.68, 3,203,789.12 and 715,607.04
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Solution
The fourth proportional to 2,136,544.68, 3,203,789.12 and 715,607.04 is: 1,073,066.28
Step by Step Solution
- Step 1: Write the proportion equation
2,136,544.68 : 3,203,789.12 = 715,607.04 : x - Step 2: Convert to fraction form
2,136,544.68/3,203,789.12 = 715,607.04/x - Step 3: Cross multiply
2,136,544.68x = 3,203,789.12 × 715,607.04 - Step 4: Simplify right side
2,136,544.68x = 2,292,654,048,947.40 - Step 5: Solve for x
x = 2,292,654,048,947.40/2,136,544.68 - Step 6: Final answer
x = 1,073,066.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.