Finding the Fourth Proportional to 5,183,145.58, 7,774,718.37 and 3,298,243.18
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Solution
The fourth proportional to 5,183,145.58, 7,774,718.37 and 3,298,243.18 is: 4,947,364.76
Step by Step Solution
- Step 1: Write the proportion equation
5,183,145.58 : 7,774,718.37 = 3,298,243.18 : x - Step 2: Convert to fraction form
5,183,145.58/7,774,718.37 = 3,298,243.18/x - Step 3: Cross multiply
5,183,145.58x = 7,774,718.37 × 3,298,243.18 - Step 4: Simplify right side
5,183,145.58x = 25,642,911,784,908.41 - Step 5: Solve for x
x = 25,642,911,784,908.41/5,183,145.58 - Step 6: Final answer
x = 4,947,364.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.