Finding the Fourth Proportional to 5,697,585.76, 7,862,670.16 and 3,119,430.24
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Solution
The fourth proportional to 5,697,585.76, 7,862,670.16 and 3,119,430.24 is: 4,304,814.72
Step by Step Solution
- Step 1: Write the proportion equation
5,697,585.76 : 7,862,670.16 = 3,119,430.24 : x - Step 2: Convert to fraction form
5,697,585.76/7,862,670.16 = 3,119,430.24/x - Step 3: Cross multiply
5,697,585.76x = 7,862,670.16 × 3,119,430.24 - Step 4: Simplify right side
5,697,585.76x = 24,527,051,064,249.64 - Step 5: Solve for x
x = 24,527,051,064,249.64/5,697,585.76 - Step 6: Final answer
x = 4,304,814.72
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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.