Finding the Fourth Proportional to 1,270,485.24, 1,896,589.08 and 1,088,612.28
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Solution
The fourth proportional to 1,270,485.24, 1,896,589.08 and 1,088,612.28 is: 1,625,087.88
Step by Step Solution
- Step 1: Write the proportion equation
1,270,485.24 : 1,896,589.08 = 1,088,612.28 : x - Step 2: Convert to fraction form
1,270,485.24/1,896,589.08 = 1,088,612.28/x - Step 3: Cross multiply
1,270,485.24x = 1,896,589.08 × 1,088,612.28 - Step 4: Simplify right side
1,270,485.24x = 2,064,650,162,601.90 - Step 5: Solve for x
x = 2,064,650,162,601.90/1,270,485.24 - Step 6: Final answer
x = 1,625,087.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.