Finding the Fourth Proportional to 5,203,490.24, 7,805,235.20 and 3,430,147.52
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Solution
The fourth proportional to 5,203,490.24, 7,805,235.20 and 3,430,147.52 is: 5,145,221.17
Step by Step Solution
- Step 1: Write the proportion equation
5,203,490.24 : 7,805,235.20 = 3,430,147.52 : x - Step 2: Convert to fraction form
5,203,490.24/7,805,235.20 = 3,430,147.52/x - Step 3: Cross multiply
5,203,490.24x = 7,805,235.20 × 3,430,147.52 - Step 4: Simplify right side
5,203,490.24x = 26,773,108,164,296.70 - Step 5: Solve for x
x = 26,773,108,164,296.70/5,203,490.24 - Step 6: Final answer
x = 5,145,221.17
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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.