Finding the Fourth Proportional to 3,434,277.12, 5,151,411.36 and 1,304,357.28
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Solution
The fourth proportional to 3,434,277.12, 5,151,411.36 and 1,304,357.28 is: 1,956,534.28
Step by Step Solution
- Step 1: Write the proportion equation
3,434,277.12 : 5,151,411.36 = 1,304,357.28 : x - Step 2: Convert to fraction form
3,434,277.12/5,151,411.36 = 1,304,357.28/x - Step 3: Cross multiply
3,434,277.12x = 5,151,411.36 × 1,304,357.28 - Step 4: Simplify right side
3,434,277.12x = 6,719,280,909,690.70 - Step 5: Solve for x
x = 6,719,280,909,690.70/3,434,277.12 - Step 6: Final answer
x = 1,956,534.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.