Finding the Fourth Proportional to 6,471,147.54, 8,930,370.45 and 3,570,725.21
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Solution
The fourth proportional to 6,471,147.54, 8,930,370.45 and 3,570,725.21 is: 4,927,703.88
Step by Step Solution
- Step 1: Write the proportion equation
6,471,147.54 : 8,930,370.45 = 3,570,725.21 : x - Step 2: Convert to fraction form
6,471,147.54/8,930,370.45 = 3,570,725.21/x - Step 3: Cross multiply
6,471,147.54x = 8,930,370.45 × 3,570,725.21 - Step 4: Simplify right side
6,471,147.54x = 31,887,898,855,802.19 - Step 5: Solve for x
x = 31,887,898,855,802.19/6,471,147.54 - Step 6: Final answer
x = 4,927,703.88
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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.