Finding the Fourth Proportional to 2,254,140.94, 3,110,706.56 and 1,221,673.80
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Solution
The fourth proportional to 2,254,140.94, 3,110,706.56 and 1,221,673.80 is: 1,685,905.54
Step by Step Solution
- Step 1: Write the proportion equation
2,254,140.94 : 3,110,706.56 = 1,221,673.80 : x - Step 2: Convert to fraction form
2,254,140.94/3,110,706.56 = 1,221,673.80/x - Step 3: Cross multiply
2,254,140.94x = 3,110,706.56 × 1,221,673.80 - Step 4: Simplify right side
2,254,140.94x = 3,800,268,703,840.13 - Step 5: Solve for x
x = 3,800,268,703,840.13/2,254,140.94 - Step 6: Final answer
x = 1,685,905.54
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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.