Finding the Fourth Proportional to 4,390,405.76, 6,585,608.64 and 2,894,147.84
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Solution
The fourth proportional to 4,390,405.76, 6,585,608.64 and 2,894,147.84 is: 4,341,221.76
Step by Step Solution
- Step 1: Write the proportion equation
4,390,405.76 : 6,585,608.64 = 2,894,147.84 : x - Step 2: Convert to fraction form
4,390,405.76/6,585,608.64 = 2,894,147.84/x - Step 3: Cross multiply
4,390,405.76x = 6,585,608.64 × 2,894,147.84 - Step 4: Simplify right side
4,390,405.76x = 19,059,725,020,541.34 - Step 5: Solve for x
x = 19,059,725,020,541.34/4,390,405.76 - Step 6: Final answer
x = 4,341,221.76
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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.