Finding the Fourth Proportional to 2,230,424.74, 3,077,948.19 and 1,211,822.20
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Solution
The fourth proportional to 2,230,424.74, 3,077,948.19 and 1,211,822.20 is: 1,672,294.02
Step by Step Solution
- Step 1: Write the proportion equation
2,230,424.74 : 3,077,948.19 = 1,211,822.20 : x - Step 2: Convert to fraction form
2,230,424.74/3,077,948.19 = 1,211,822.20/x - Step 3: Cross multiply
2,230,424.74x = 3,077,948.19 × 1,211,822.20 - Step 4: Simplify right side
2,230,424.74x = 3,729,925,947,091.82 - Step 5: Solve for x
x = 3,729,925,947,091.82/2,230,424.74 - Step 6: Final answer
x = 1,672,294.02
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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.