Finding the Fourth Proportional to 4,862,378.30, 6,710,486.11 and 2,687,346.05
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Solution
The fourth proportional to 4,862,378.30, 6,710,486.11 and 2,687,346.05 is: 3,708,760.86
Step by Step Solution
- Step 1: Write the proportion equation
4,862,378.30 : 6,710,486.11 = 2,687,346.05 : x - Step 2: Convert to fraction form
4,862,378.30/6,710,486.11 = 2,687,346.05/x - Step 3: Cross multiply
4,862,378.30x = 6,710,486.11 × 2,687,346.05 - Step 4: Simplify right side
4,862,378.30x = 18,033,398,301,017.57 - Step 5: Solve for x
x = 18,033,398,301,017.57/4,862,378.30 - Step 6: Final answer
x = 3,708,760.86
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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.