Finding the Fourth Proportional to 2,135,226.78, 2,946,612.96 and 1,168,357.08
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Solution
The fourth proportional to 2,135,226.78, 2,946,612.96 and 1,168,357.08 is: 1,612,332.77
Step by Step Solution
- Step 1: Write the proportion equation
2,135,226.78 : 2,946,612.96 = 1,168,357.08 : x - Step 2: Convert to fraction form
2,135,226.78/2,946,612.96 = 1,168,357.08/x - Step 3: Cross multiply
2,135,226.78x = 2,946,612.96 × 1,168,357.08 - Step 4: Simplify right side
2,135,226.78x = 3,442,696,113,835.76 - Step 5: Solve for x
x = 3,442,696,113,835.76/2,135,226.78 - Step 6: Final answer
x = 1,612,332.77
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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.