Finding the Fourth Proportional to 3,078,539.74, 4,248,357.10 and 1,701,918.46
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Solution
The fourth proportional to 3,078,539.74, 4,248,357.10 and 1,701,918.46 is: 2,348,632.14
Step by Step Solution
- Step 1: Write the proportion equation
3,078,539.74 : 4,248,357.10 = 1,701,918.46 : x - Step 2: Convert to fraction form
3,078,539.74/4,248,357.10 = 1,701,918.46/x - Step 3: Cross multiply
3,078,539.74x = 4,248,357.10 × 1,701,918.46 - Step 4: Simplify right side
3,078,539.74x = 7,230,357,373,162.07 - Step 5: Solve for x
x = 7,230,357,373,162.07/3,078,539.74 - Step 6: Final answer
x = 2,348,632.14
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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.