Finding the Fourth Proportional to 1,903,346.36, 2,626,691.64 and 1,043,942.84
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Solution
The fourth proportional to 1,903,346.36, 2,626,691.64 and 1,043,942.84 is: 1,440,681.52
Step by Step Solution
- Step 1: Write the proportion equation
1,903,346.36 : 2,626,691.64 = 1,043,942.84 : x - Step 2: Convert to fraction form
1,903,346.36/2,626,691.64 = 1,043,942.84/x - Step 3: Cross multiply
1,903,346.36x = 2,626,691.64 × 1,043,942.84 - Step 4: Simplify right side
1,903,346.36x = 2,742,115,930,465.86 - Step 5: Solve for x
x = 2,742,115,930,465.86/1,903,346.36 - Step 6: Final answer
x = 1,440,681.52
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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.