Finding the Fourth Proportional to 1,811,170.06, 2,499,312.99 and 1,085,654.68
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Solution
The fourth proportional to 1,811,170.06, 2,499,312.99 and 1,085,654.68 is: 1,498,142.50
Step by Step Solution
- Step 1: Write the proportion equation
1,811,170.06 : 2,499,312.99 = 1,085,654.68 : x - Step 2: Convert to fraction form
1,811,170.06/2,499,312.99 = 1,085,654.68/x - Step 3: Cross multiply
1,811,170.06x = 2,499,312.99 × 1,085,654.68 - Step 4: Simplify right side
1,811,170.06x = 2,713,390,844,378.29 - Step 5: Solve for x
x = 2,713,390,844,378.29/1,811,170.06 - Step 6: Final answer
x = 1,498,142.50
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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.