Finding the Fourth Proportional to 1,742,747.16, 2,611,893.98 and 1,405,946.64
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Solution
The fourth proportional to 1,742,747.16, 2,611,893.98 and 1,405,946.64 is: 2,107,123.54
Step by Step Solution
- Step 1: Write the proportion equation
1,742,747.16 : 2,611,893.98 = 1,405,946.64 : x - Step 2: Convert to fraction form
1,742,747.16/2,611,893.98 = 1,405,946.64/x - Step 3: Cross multiply
1,742,747.16x = 2,611,893.98 × 1,405,946.64 - Step 4: Simplify right side
1,742,747.16x = 3,672,183,565,217.23 - Step 5: Solve for x
x = 3,672,183,565,217.23/1,742,747.16 - Step 6: Final answer
x = 2,107,123.54
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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.