Finding the Fourth Proportional to 4,280,567.95, 6,421,814.21 and 1,440,597.79
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Solution
The fourth proportional to 4,280,567.95, 6,421,814.21 and 1,440,597.79 is: 2,161,220.54
Step by Step Solution
- Step 1: Write the proportion equation
4,280,567.95 : 6,421,814.21 = 1,440,597.79 : x - Step 2: Convert to fraction form
4,280,567.95/6,421,814.21 = 1,440,597.79/x - Step 3: Cross multiply
4,280,567.95x = 6,421,814.21 × 1,440,597.79 - Step 4: Simplify right side
4,280,567.95x = 9,251,251,358,716.60 - Step 5: Solve for x
x = 9,251,251,358,716.60/4,280,567.95 - Step 6: Final answer
x = 2,161,220.54
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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.