Finding the Fourth Proportional to 1,987,210.14, 2,971,658.97 and 1,475,840.94
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Solution
The fourth proportional to 1,987,210.14, 2,971,658.97 and 1,475,840.94 is: 2,206,961.35
Step by Step Solution
- Step 1: Write the proportion equation
1,987,210.14 : 2,971,658.97 = 1,475,840.94 : x - Step 2: Convert to fraction form
1,987,210.14/2,971,658.97 = 1,475,840.94/x - Step 3: Cross multiply
1,987,210.14x = 2,971,658.97 × 1,475,840.94 - Step 4: Simplify right side
1,987,210.14x = 4,385,695,967,644.23 - Step 5: Solve for x
x = 4,385,695,967,644.23/1,987,210.14 - Step 6: Final answer
x = 2,206,961.35
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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.