Finding the Fourth Proportional to 4,237,079.49, 5,847,207.75 and 2,303,343.81
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Solution
The fourth proportional to 4,237,079.49, 5,847,207.75 and 2,303,343.81 is: 3,178,635.14
Step by Step Solution
- Step 1: Write the proportion equation
4,237,079.49 : 5,847,207.75 = 2,303,343.81 : x - Step 2: Convert to fraction form
4,237,079.49/5,847,207.75 = 2,303,343.81/x - Step 3: Cross multiply
4,237,079.49x = 5,847,207.75 × 2,303,343.81 - Step 4: Simplify right side
4,237,079.49x = 13,468,129,776,746.53 - Step 5: Solve for x
x = 13,468,129,776,746.53/4,237,079.49 - Step 6: Final answer
x = 3,178,635.14
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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.