Finding the Fourth Proportional to 1,447,907.16, 1,998,165.36 and 874,836.72
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Solution
The fourth proportional to 1,447,907.16, 1,998,165.36 and 874,836.72 is: 1,207,306.99
Step by Step Solution
- Step 1: Write the proportion equation
1,447,907.16 : 1,998,165.36 = 874,836.72 : x - Step 2: Convert to fraction form
1,447,907.16/1,998,165.36 = 874,836.72/x - Step 3: Cross multiply
1,447,907.16x = 1,998,165.36 × 874,836.72 - Step 4: Simplify right side
1,447,907.16x = 1,748,068,429,560.02 - Step 5: Solve for x
x = 1,748,068,429,560.02/1,447,907.16 - Step 6: Final answer
x = 1,207,306.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.