Finding the Fourth Proportional to 3,178,598.64, 4,386,433.14 and 2,366,434.32
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Solution
The fourth proportional to 3,178,598.64, 4,386,433.14 and 2,366,434.32 is: 3,265,654.81
Step by Step Solution
- Step 1: Write the proportion equation
3,178,598.64 : 4,386,433.14 = 2,366,434.32 : x - Step 2: Convert to fraction form
3,178,598.64/4,386,433.14 = 2,366,434.32/x - Step 3: Cross multiply
3,178,598.64x = 4,386,433.14 × 2,366,434.32 - Step 4: Simplify right side
3,178,598.64x = 10,380,205,924,881.36 - Step 5: Solve for x
x = 10,380,205,924,881.36/3,178,598.64 - Step 6: Final answer
x = 3,265,654.81
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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.