Finding the Fourth Proportional to 2,069,145.80, 3,103,815.90 and 649,248.20
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Solution
The fourth proportional to 2,069,145.80, 3,103,815.90 and 649,248.20 is: 973,902.80
Step by Step Solution
- Step 1: Write the proportion equation
2,069,145.80 : 3,103,815.90 = 649,248.20 : x - Step 2: Convert to fraction form
2,069,145.80/3,103,815.90 = 649,248.20/x - Step 3: Cross multiply
2,069,145.80x = 3,103,815.90 × 649,248.20 - Step 4: Simplify right side
2,069,145.80x = 2,015,146,886,206.38 - Step 5: Solve for x
x = 2,015,146,886,206.38/2,069,145.80 - Step 6: Final answer
x = 973,902.80
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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.