Finding the Fourth Proportional to 7,164,315.44, 10,747,891.47 and 2,046,788.90
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Solution
The fourth proportional to 7,164,315.44, 10,747,891.47 and 2,046,788.90 is: 3,070,588.55
Step by Step Solution
- Step 1: Write the proportion equation
7,164,315.44 : 10,747,891.47 = 2,046,788.90 : x - Step 2: Convert to fraction form
7,164,315.44/10,747,891.47 = 2,046,788.90/x - Step 3: Cross multiply
7,164,315.44x = 10,747,891.47 × 2,046,788.90 - Step 4: Simplify right side
7,164,315.44x = 21,998,664,986,070.41 - Step 5: Solve for x
x = 21,998,664,986,070.41/7,164,315.44 - Step 6: Final answer
x = 3,070,588.55
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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.