Finding the Fourth Proportional to 6,312,982.80, 9,473,362.20 and 2,720,470.80
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Solution
The fourth proportional to 6,312,982.80, 9,473,362.20 and 2,720,470.80 is: 4,082,381.67
Step by Step Solution
- Step 1: Write the proportion equation
6,312,982.80 : 9,473,362.20 = 2,720,470.80 : x - Step 2: Convert to fraction form
6,312,982.80/9,473,362.20 = 2,720,470.80/x - Step 3: Cross multiply
6,312,982.80x = 9,473,362.20 × 2,720,470.80 - Step 4: Simplify right side
6,312,982.80x = 25,772,005,242,923.76 - Step 5: Solve for x
x = 25,772,005,242,923.76/6,312,982.80 - Step 6: Final answer
x = 4,082,381.67
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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.