Finding the Fourth Proportional to 5,209,655.97, 7,815,725.52 and 1,797,972.01
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Solution
The fourth proportional to 5,209,655.97, 7,815,725.52 and 1,797,972.01 is: 2,697,386.50
Step by Step Solution
- Step 1: Write the proportion equation
5,209,655.97 : 7,815,725.52 = 1,797,972.01 : x - Step 2: Convert to fraction form
5,209,655.97/7,815,725.52 = 1,797,972.01/x - Step 3: Cross multiply
5,209,655.97x = 7,815,725.52 × 1,797,972.01 - Step 4: Simplify right side
5,209,655.97x = 14,052,455,703,263.38 - Step 5: Solve for x
x = 14,052,455,703,263.38/5,209,655.97 - Step 6: Final answer
x = 2,697,386.50
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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.