Finding the Fourth Proportional to 1,550,467.42, 2,139,473.79 and 930,239.70
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Solution
The fourth proportional to 1,550,467.42, 2,139,473.79 and 930,239.70 is: 1,283,628.04
Step by Step Solution
- Step 1: Write the proportion equation
1,550,467.42 : 2,139,473.79 = 930,239.70 : x - Step 2: Convert to fraction form
1,550,467.42/2,139,473.79 = 930,239.70/x - Step 3: Cross multiply
1,550,467.42x = 2,139,473.79 × 930,239.70 - Step 4: Simplify right side
1,550,467.42x = 1,990,223,456,567.46 - Step 5: Solve for x
x = 1,990,223,456,567.46/1,550,467.42 - Step 6: Final answer
x = 1,283,628.04
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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.