Finding the Fourth Proportional to 4,378,221.40, 6,571,479.30 and 2,698,605.40
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Solution
The fourth proportional to 4,378,221.40, 6,571,479.30 and 2,698,605.40 is: 4,050,464.31
Step by Step Solution
- Step 1: Write the proportion equation
4,378,221.40 : 6,571,479.30 = 2,698,605.40 : x - Step 2: Convert to fraction form
4,378,221.40/6,571,479.30 = 2,698,605.40/x - Step 3: Cross multiply
4,378,221.40x = 6,571,479.30 × 2,698,605.40 - Step 4: Simplify right side
4,378,221.40x = 17,733,829,524,968.22 - Step 5: Solve for x
x = 17,733,829,524,968.22/4,378,221.40 - Step 6: Final answer
x = 4,050,464.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.