Finding the Fourth Proportional to 3,427,749.17, 4,730,226.21 and 1,879,014.18
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Solution
The fourth proportional to 3,427,749.17, 4,730,226.21 and 1,879,014.18 is: 2,593,002.49
Step by Step Solution
- Step 1: Write the proportion equation
3,427,749.17 : 4,730,226.21 = 1,879,014.18 : x - Step 2: Convert to fraction form
3,427,749.17/4,730,226.21 = 1,879,014.18/x - Step 3: Cross multiply
3,427,749.17x = 4,730,226.21 × 1,879,014.18 - Step 4: Simplify right side
3,427,749.17x = 8,888,162,123,197.66 - Step 5: Solve for x
x = 8,888,162,123,197.66/3,427,749.17 - Step 6: Final answer
x = 2,593,002.49
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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.