Finding the Fourth Proportional to 5,697,558.76, 7,862,632.86 and 3,119,403.28
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Solution
The fourth proportional to 5,697,558.76, 7,862,632.86 and 3,119,403.28 is: 4,304,777.50
Step by Step Solution
- Step 1: Write the proportion equation
5,697,558.76 : 7,862,632.86 = 3,119,403.28 : x - Step 2: Convert to fraction form
5,697,558.76/7,862,632.86 = 3,119,403.28/x - Step 3: Cross multiply
5,697,558.76x = 7,862,632.86 × 3,119,403.28 - Step 4: Simplify right side
5,697,558.76x = 24,526,722,732,919.78 - Step 5: Solve for x
x = 24,526,722,732,919.78/5,697,558.76 - Step 6: Final answer
x = 4,304,777.50
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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.