Finding the Fourth Proportional to 1,415,239.74, 2,121,087.52 and 1,114,532.72
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Solution
The fourth proportional to 1,415,239.74, 2,121,087.52 and 1,114,532.72 is: 1,670,403.52
Step by Step Solution
- Step 1: Write the proportion equation
1,415,239.74 : 2,121,087.52 = 1,114,532.72 : x - Step 2: Convert to fraction form
1,415,239.74/2,121,087.52 = 1,114,532.72/x - Step 3: Cross multiply
1,415,239.74x = 2,121,087.52 × 1,114,532.72 - Step 4: Simplify right side
1,415,239.74x = 2,364,021,443,023.65 - Step 5: Solve for x
x = 2,364,021,443,023.65/1,415,239.74 - Step 6: Final answer
x = 1,670,403.52
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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.