Finding the Fourth Proportional to 3,027,930.13, 4,178,867.66 and 1,851,219.46
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Solution
The fourth proportional to 3,027,930.13, 4,178,867.66 and 1,851,219.46 is: 2,554,880.99
Step by Step Solution
- Step 1: Write the proportion equation
3,027,930.13 : 4,178,867.66 = 1,851,219.46 : x - Step 2: Convert to fraction form
3,027,930.13/4,178,867.66 = 1,851,219.46/x - Step 3: Cross multiply
3,027,930.13x = 4,178,867.66 × 1,851,219.46 - Step 4: Simplify right side
3,027,930.13x = 7,736,001,132,956.66 - Step 5: Solve for x
x = 7,736,001,132,956.66/3,027,930.13 - Step 6: Final answer
x = 2,554,880.99
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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.