Finding the Fourth Proportional to 4,887,725.96, 6,744,885.18 and 2,712,364.04
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Solution
The fourth proportional to 4,887,725.96, 6,744,885.18 and 2,712,364.04 is: 3,742,964.35
Step by Step Solution
- Step 1: Write the proportion equation
4,887,725.96 : 6,744,885.18 = 2,712,364.04 : x - Step 2: Convert to fraction form
4,887,725.96/6,744,885.18 = 2,712,364.04/x - Step 3: Cross multiply
4,887,725.96x = 6,744,885.18 × 2,712,364.04 - Step 4: Simplify right side
4,887,725.96x = 18,294,584,016,160.93 - Step 5: Solve for x
x = 18,294,584,016,160.93/4,887,725.96 - Step 6: Final answer
x = 3,742,964.35
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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.