Finding the Fourth Proportional to 2,265,278.78, 3,125,631.56 and 1,298,712.26
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Solution
The fourth proportional to 2,265,278.78, 3,125,631.56 and 1,298,712.26 is: 1,791,963.12
Step by Step Solution
- Step 1: Write the proportion equation
2,265,278.78 : 3,125,631.56 = 1,298,712.26 : x - Step 2: Convert to fraction form
2,265,278.78/3,125,631.56 = 1,298,712.26/x - Step 3: Cross multiply
2,265,278.78x = 3,125,631.56 × 1,298,712.26 - Step 4: Simplify right side
2,265,278.78x = 4,059,296,027,214.93 - Step 5: Solve for x
x = 4,059,296,027,214.93/2,265,278.78 - Step 6: Final answer
x = 1,791,963.12
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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.