Finding the Fourth Proportional to 4,972,278.54, 7,455,417.96 and 1,898,470.08
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Solution
The fourth proportional to 4,972,278.54, 7,455,417.96 and 1,898,470.08 is: 2,846,559.74
Step by Step Solution
- Step 1: Write the proportion equation
4,972,278.54 : 7,455,417.96 = 1,898,470.08 : x - Step 2: Convert to fraction form
4,972,278.54/7,455,417.96 = 1,898,470.08/x - Step 3: Cross multiply
4,972,278.54x = 7,455,417.96 × 1,898,470.08 - Step 4: Simplify right side
4,972,278.54x = 14,153,887,930,954.64 - Step 5: Solve for x
x = 14,153,887,930,954.64/4,972,278.54 - Step 6: Final answer
x = 2,846,559.74
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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.