Finding the Fourth Proportional to 1,992,332.10, 2,988,177.36 and 572,065.14
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Solution
The fourth proportional to 1,992,332.10, 2,988,177.36 and 572,065.14 is: 858,005.60
Step by Step Solution
- Step 1: Write the proportion equation
1,992,332.10 : 2,988,177.36 = 572,065.14 : x - Step 2: Convert to fraction form
1,992,332.10/2,988,177.36 = 572,065.14/x - Step 3: Cross multiply
1,992,332.10x = 2,988,177.36 × 572,065.14 - Step 4: Simplify right side
1,992,332.10x = 1,709,432,099,793.23 - Step 5: Solve for x
x = 1,709,432,099,793.23/1,992,332.10 - Step 6: Final answer
x = 858,005.60
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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.