Finding the Fourth Proportional to 2,135,353.81, 2,946,788.18 and 1,168,484.18
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Solution
The fourth proportional to 2,135,353.81, 2,946,788.18 and 1,168,484.18 is: 1,612,508.13
Step by Step Solution
- Step 1: Write the proportion equation
2,135,353.81 : 2,946,788.18 = 1,168,484.18 : x - Step 2: Convert to fraction form
2,135,353.81/2,946,788.18 = 1,168,484.18/x - Step 3: Cross multiply
2,135,353.81x = 2,946,788.18 × 1,168,484.18 - Step 4: Simplify right side
2,135,353.81x = 3,443,275,367,235.77 - Step 5: Solve for x
x = 3,443,275,367,235.77/2,135,353.81 - Step 6: Final answer
x = 1,612,508.13
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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.