Finding the Fourth Proportional to 2,679,543.18, 4,014,634.59 and 2,233,132.74
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Solution
The fourth proportional to 2,679,543.18, 4,014,634.59 and 2,233,132.74 is: 3,345,798.65
Step by Step Solution
- Step 1: Write the proportion equation
2,679,543.18 : 4,014,634.59 = 2,233,132.74 : x - Step 2: Convert to fraction form
2,679,543.18/4,014,634.59 = 2,233,132.74/x - Step 3: Cross multiply
2,679,543.18x = 4,014,634.59 × 2,233,132.74 - Step 4: Simplify right side
2,679,543.18x = 8,965,211,942,065.48 - Step 5: Solve for x
x = 8,965,211,942,065.48/2,679,543.18 - Step 6: Final answer
x = 3,345,798.65
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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.