Finding the Fourth Proportional to 1,595,384.91, 2,202,444.20 and 1,231,992.99
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Solution
The fourth proportional to 1,595,384.91, 2,202,444.20 and 1,231,992.99 is: 1,700,778.16
Step by Step Solution
- Step 1: Write the proportion equation
1,595,384.91 : 2,202,444.20 = 1,231,992.99 : x - Step 2: Convert to fraction form
1,595,384.91/2,202,444.20 = 1,231,992.99/x - Step 3: Cross multiply
1,595,384.91x = 2,202,444.20 × 1,231,992.99 - Step 4: Simplify right side
1,595,384.91x = 2,713,395,818,346.14 - Step 5: Solve for x
x = 2,713,395,818,346.14/1,595,384.91 - Step 6: Final answer
x = 1,700,778.16
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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.