Finding the Fourth Proportional to 5,613,125.76, 7,745,535.09 and 4,143,815.79
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Solution
The fourth proportional to 5,613,125.76, 7,745,535.09 and 4,143,815.79 is: 5,718,038.75
Step by Step Solution
- Step 1: Write the proportion equation
5,613,125.76 : 7,745,535.09 = 4,143,815.79 : x - Step 2: Convert to fraction form
5,613,125.76/7,745,535.09 = 4,143,815.79/x - Step 3: Cross multiply
5,613,125.76x = 7,745,535.09 × 4,143,815.79 - Step 4: Simplify right side
5,613,125.76x = 32,096,070,607,941.07 - Step 5: Solve for x
x = 32,096,070,607,941.07/5,613,125.76 - Step 6: Final answer
x = 5,718,038.75
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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.