Finding the Fourth Proportional to 4,390,403.76, 6,585,605.64 and 2,894,145.84
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Solution
The fourth proportional to 4,390,403.76, 6,585,605.64 and 2,894,145.84 is: 4,341,218.76
Step by Step Solution
- Step 1: Write the proportion equation
4,390,403.76 : 6,585,605.64 = 2,894,145.84 : x - Step 2: Convert to fraction form
4,390,403.76/6,585,605.64 = 2,894,145.84/x - Step 3: Cross multiply
4,390,403.76x = 6,585,605.64 × 2,894,145.84 - Step 4: Simplify right side
4,390,403.76x = 19,059,703,166,886.54 - Step 5: Solve for x
x = 19,059,703,166,886.54/4,390,403.76 - Step 6: Final answer
x = 4,341,218.76
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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.