Finding the Fourth Proportional to 5,345,867.21, 7,370,159.94 and 4,246,945.07
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Solution
The fourth proportional to 5,345,867.21, 7,370,159.94 and 4,246,945.07 is: 5,855,114.46
Step by Step Solution
- Step 1: Write the proportion equation
5,345,867.21 : 7,370,159.94 = 4,246,945.07 : x - Step 2: Convert to fraction form
5,345,867.21/7,370,159.94 = 4,246,945.07/x - Step 3: Cross multiply
5,345,867.21x = 7,370,159.94 × 4,246,945.07 - Step 4: Simplify right side
5,345,867.21x = 31,300,664,385,443.70 - Step 5: Solve for x
x = 31,300,664,385,443.70/5,345,867.21 - Step 6: Final answer
x = 5,855,114.46
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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.