Finding the Fourth Proportional to 2,160,225.66, 2,981,201.98 and 1,242,455.06
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Solution
The fourth proportional to 2,160,225.66, 2,981,201.98 and 1,242,455.06 is: 1,714,640.07
Step by Step Solution
- Step 1: Write the proportion equation
2,160,225.66 : 2,981,201.98 = 1,242,455.06 : x - Step 2: Convert to fraction form
2,160,225.66/2,981,201.98 = 1,242,455.06/x - Step 3: Cross multiply
2,160,225.66x = 2,981,201.98 × 1,242,455.06 - Step 4: Simplify right side
2,160,225.66x = 3,704,009,493,939.09 - Step 5: Solve for x
x = 3,704,009,493,939.09/2,160,225.66 - Step 6: Final answer
x = 1,714,640.07
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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.