Finding the Fourth Proportional to 4,392,840.70, 6,576,430.65 and 3,133,128.70
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Solution
The fourth proportional to 4,392,840.70, 6,576,430.65 and 3,133,128.70 is: 4,690,541.96
Step by Step Solution
- Step 1: Write the proportion equation
4,392,840.70 : 6,576,430.65 = 3,133,128.70 : x - Step 2: Convert to fraction form
4,392,840.70/6,576,430.65 = 3,133,128.70/x - Step 3: Cross multiply
4,392,840.70x = 6,576,430.65 × 3,133,128.70 - Step 4: Simplify right side
4,392,840.70x = 20,604,803,613,074.66 - Step 5: Solve for x
x = 20,604,803,613,074.66/4,392,840.70 - Step 6: Final answer
x = 4,690,541.96
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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.